Refine By

Household Sensors & Alarms

Keep your family safe by investing in potentially life-saving household sensors and alarms. Every room in your home should have smoke and carbon monoxide detectors. Keep home intruders at bay with a security alarm; you can include a monitoring service for your security system by paying an ongoing fee.
TMart
$7.41 $13.87
at Tmart.com

This excellent wired doorbell can be used at dwelling house, working place, and factory. Built-in anti-interference system, it avo...ids false ringing and miscommunication. read more

Defender
$35.00 $44.99
at Northern Tool

Additional motion sensor detects motion up to 30 feet away from the sensor. It also includes an infrared heat system to prevent fa...lse alarms, along with zone control capability that lets you turn o... read more

Northern Tool + Equipment
$17.99 $24.99
at Northern Tool

This Scarecrow simulated alarm key pad provides the look of an authentic, expensive alarm system without the cost Stainless steel ...pad features flashing red and green LEDs simulating an activated al... read more

Trademark Tools
$10.03 $12.99
at Sears.com

At only 3 inches long, this window alarm inconspicuously protects your home from intruders! This unit uses a magnetic sensor to de...tect the opening of a protected window. A 105 dB alarm will then alert you to an attempted entry and scare off potential intruders. The owner may open the window or other protected object, without setting off the alarm by inserting a deactivation key. Once the deactivation key has been removed and the protected door or window is opened, the alarm will sound until the key is inserted or the door or window is closed. May also be used within the home to alert parents to children opening a gun or medicine cabinet or used to protect exterior doors, particularly those hard to protect sliding glass doors. Commercial uses include showcases and cash registers. Batteries are included! Features Include: Powerful alarm will scare away intruders Can be used to secure just about anything Great for windows, doors and cabinets Disarm key allows you to open protected object without activa read more

Ideal Security
$29.65 $55.99
at Sears.com

Wireless slim door or window sensor/alarm. Unit does not have a built in alarm so it must be linked with one of Ideal's auto diale...rs or receivers. Links with Ideal's SK623, SK629, SK633, SK632 and SK642 Has a 260 foot range to receiver. Double detection: Magnetic and vibration sensors. Quick set up, no wiring, double sided tape included for quick installation. read more

Ideal Security
$75.55 $186.99
at Sears.com

Alarm center and telephone dialer Alarm by zones. Includes a 24 hour zone. 23 sensors and 8 remote controls can be linked to the d...ialer. Stores 5 emergency phone numbers. Call in to activate and deactivate alarm. Monitor activity by phone following alarm signal 105 db integrated siren (external siren can be added) Receiver of call will hear beep sound (4 styles) indicating problem. Battery backup and low battery indicator 60 feet range to sensors. read more

Ideal Security
$29.99 $56.99
at Sears.com

Residential warning system for floods, leaks and overflows. Wireless water detector. Can be used alone, unit has built in 105dB si...ren, or can be linked to one of Ideal's wireless receivers. If linked to one of Ideal's receivers when water is detected the unit will wirelessly signal to receivers. Excellent sump pump alarm, in laundry room near washer, or near hot water tank. Compatible with IDEAL's wireless telephone diallers SK618, SK642, SK633 and alerts SK623, SK626, SK632 No wiring, quick set up as stand alone unit. read more

Ideal Security
$145.75 $353.99
at Sears.com

Home security system with telephone dialer the system that calls you. No monitoring fees. Set includes 2 wireless door and window ...contacts, 1 motion sensor, 1 remote control and a telephone dialer with built in 105db siren. Easy and quick to install. All items are pre-connected to the dialer. Set also includes all telephone connections, batteries, AC adapter and instructions. Land phone connection for dialer is required. System can call cell or land phones. Customize a system suited to your needs by adding a wide range of Ideal wireless accessories. Up to 23 sensors and alerts, including 8 remotes can be linked to the dialer. read more

Schlage
$38.54 $82.00
at Build.com

Schlage, RS100HC, Nexia Accessories,White, Nexia, Accessory, Motion Sensor Schlage Door and Window Sensor with Z-Wave from the Nex...ia Collection Nexia Home Intelligence and the Schlage Home Door/Window Sensor allow you to remotely monitor activities within your home while you re away. Simply log in to your web-based Nexia account or use your mobile app to view sensor status in your home. Add additional sensors to monitor secondary doors and windows. Know what s happening at your house anytime, in real time, at any moment you choose from most web-connected computers, tablets or smart phones. Features: The Schlage Door/Window Sensor allows you to remotely monitor your doors and windows, allowing you to stay in touch and in control. Check in to see if the doors and windows are closed at night Set Nexia to notify you when doors or windows have been opened in the home Set Nexia to change the temperature inside the home when windows have been opened or closed Simple read more

First Alert
$13.83 $18.99
at Sears

Shop for Electrical . First Alert battery operated smoke alarm with escape light brightly illuminates a path to safety when in ala...rm. Mute feature silences nuisance alarms from cooking smoke or shower steam. Single button also tests alarm functions. Easy access front loading battery door: no need to remove alarm from ceiling to change battery. Ideal for Hallways, Bedrooms and Living areas. 10-year limited warranty. Meets UL standards. read more

SKYLINKNET
$19.94 $28.99
at Sears

Shop for Electrical at The Home Depot. The SkylinkHome ID-318 Wireless Motion Sensor is a great way to save money on energy while ...adding the convenience of automatic lighting control. This motion sensor will activate a receiver module, turning on the connected lights when motion is detected. Multiple receivers can be programmed to be controlled from the same sensor. The adjustable countdown timer will allow you to predetermine how long the lights should stay on once motion has stopped. Automated or motion activated lighting is an ideal home improvement for energy savings in areas with low foot traffic. The built in photo cell will also help in energy savings by only allowing the lights to turn on when the ambient light level is dark enough for the light to be needed. read more

Chamberlain
$28.83 $49.95
at Walmart.com

Extend the formidable reach of your Chamberlain Wireless Motion Alert System with this sensor add-on. You can use up to four senso...rs with each base station receiver, with each one transmitting up to half a mile away. This Chamberlain alert system sensor add-on is easy to install and can detect motion up to 30 feet away with a wide 120 degree coverage. This wireless alert system helps keep your home or business more secure by detecting visitors or intruders. It also has adjustable sensitivity controls to help prevent false alerts, as well as a weatherproof design. This wireless alert system is easy to use and requires only four AA batteries to get started. Use the Chamberlain Wireless Motion Alert System Sensor Add-On at home or in a business setting. read more

GE
$9.97 $19.84
at Walmart.com

Protect your home and your family with the GE 45115 Wireless Window Alarms. These wireless window alarms are designed to activate ...when the magnetic contact is broken, such as when a window or door is opened. This 2pk GE Window Alarm includes two alarm sensors that can be attached to windows, doors, sheds, cabinets, gates and more. The alarm features two sound settings - a 120 dB siren and door chime greeting - easily accessible using the off/chime/alarm switch. This Window Security Alarm unit also features a low-battery test button that alerts you when the battery is nearly gone so you can replace it without ever losing the security of your activated alarm. They are easy to install and do not require wiring. Enjoy a sound night's sleep knowing that you and your family are protected. read more

GE
GE
$19.49 $29.00
at Walmart.com

Safeguard your house with the GE 51107 Alarm System. It comprises a door alarm and 3 window alarms that are very easy to setup and... use. The wireless design is very hassle free and the 4-digit keypad that lets you set security code further enhances security. The 120 decibel alarm gives out warning tones when someone tries to break in or even when kids try to sneak out during the middle of the night. Operating on 3 AAA batteries, the door alarm also features an alarm delay feature while the 3 window alarms run on 4 LR44 batteries each. This GE alarm system is a great product to make your home more secure. read more

GE
Levana
$66.48 $99.97
at Walmart.com

When baby is finally quiet it should be a relief, not a worry. At Levana, they know how tempting it is to check on a soundly sleep...ing infant over and over again. Levana is proud to bring you Levana Oma Powered by Snuza Baby Movement Monitor, the portable, battery-powered movement monitor that can easily be used everywhere you and baby go. Oma clips directly onto the diaper and can sense baby's tiniest movements at the belly button area. The Levana Oma Powered by Snuza Baby Movement Monitor will beep loudly to alert you if complete stillness is detected for 15 seconds. Because the movement sensor is in constant contact with your baby's tummy, the Snuza Baby Monitor with audible alarm is less likely to give a false alarm and more likely to keep you feeling at ease during baby's deepest sleep. Breathe easier knowing the Levana Oma Powered by Snuza Baby Movement Monitor will be there to help you check in a little less and relax a little more. read more

Trademark
$8.49 $10.99
at Walmart.com

Keep your home safe and secure with this As Seen on TV Trademark Super Door Stop Alarm. Simply place the alarm behind a door and, ...if an intruder attempts to open the door, the wedge-shaped design will prevent it from opening and activate a 120 dB alarm. The door security alarm comes with a sensitivity switch that is adjustable to prevent tampering. This item also has an on/off switch so you can turn it off when not in use. With this As Seen on TV Trademark Super Door Stop Alarm, you will know if someone is attempting to enter your house. read more

Trademark Global
$32.95 $49.99
at Wayfair

Trademark Global U.S. Patrol Alarm Security Bar Secures your home, dorm, office or hotel room from intruders with added security! ...As soon as the doorknob is touched, the alarm will sound like a powerful siren or barking dog to warn you that someone is trying to enter. This is an effective way to frighten away intruders. Features: -Added security and protection.-Powerful siren or barking dog sounds.-Secures Your Home from Intruders.-Alarm sounds when door knob is touched.-Protects any room any time: Home, Dorm, Office, Hotel and More.-No installation required.-Heavy gauge steel construction.-Product Type: Door/Window Alarm.-Connection: Wireless.Specifications: -Uses one 9V battery (not included).Dimensions: -Overall Height - Top to Bottom: 19.5.-Overall Width - Side to Side: 5.25.-Overall Depth - Front to Back: 3.12.-Overall Product Weight: 3. 82-5322 read more

Heath Zenith
$36.17 $63.45
at Wayfair

Heath-Zenith Wireless Plug-In Chime with Entry-Alert Sensor in White Features: -Wireless plug-in chime.-Material: Plastic.-Sensor ...activates the plug-in chime when the sensor is tripped.-Provides up to 100 feet transmission range between the sensor and plug-in chime.-Chime has an 8-note Westminster melody or a 2-note melody.-With adjustable volume control to suit varying sound needs.-Great for small business, stores, workshops.-Includes one plug-in chime receiver and magnetic sensor (sensor battery included).-Color: White.-Product Type: Chime Kit.-Finish: White.-Shape: Rectangle.Dimensions: -5.13'' H x 3.5'' W x 1.38'' D.-Overall Height - Top to Bottom: 5.13.-Overall Width - Side to Side: 3.5.-Overall Depth - Front to Back: 1.38.-Overall Product Weight: 0.45.Assembly: -No assembly required.Warranty: -1 Year manufacturer's warranty. SL-6168-D read more

Heath Zenith
$31.52 $52.53
at Wayfair

Heath-Zenith 180 Degree Wireless Motion Sensor in White Features: -Material: Plastic.-Sensor can be placed anywhere up to 100 feet... away to remotely activate lights.-No wiring required.-Detects motion up to 70 feet away.-Selectable night only or day / night motion detection.-Mounts anywhere inside or outside.-Color: White.-Product Type: Outdoor Lighting; Interior Lamps.-Material: Plastic.-Finish: White.-Size: 12" & Less.Specifications: -180 Degree wireless motion sensor.Dimensions: -Overall Height - Top to Bottom: 3.75.-Overall Width - Side to Side: 3.-Overall Depth - Front to Back: 3.13.-Overall Product Weight: 0.34.Assembly: -No assembly required.Warranty: -1 Year manufacturer's warranty. SL-6030-WH-A read more

Frontgate
$49.00 $135.00
at Frontgate

The Safety Turtle Wireless Security System increases safety by monitoring your children and pets around the pool. The Gate Sensor ...uses an 11-second bypass so adults can enter the pool area without disarming the system and installs easily on gates up to 250 feet away from base station. NOTE: The Gate Sensor must be used in conjunction with the Safety Turtle Alarm Base, Wrist Sensor, or Pet Collar Sensor (no longer available). read more

Trademark Global
$9.93 $12.99
at Sears

Protect your home and scare off potential intruders. Open windows with the deactivation key inserted, and the alarm won't go off. ...Once the deactivation key has been removed, should the door or window open, the alarm will sound until the key is reinserted, or the door or window is closed. Fast, simple wireless installation with a loud, 105db warning alarm. Dimensions: 3L x 2W x 0.5H. Weight: 0.15 oz. read more

Ideal Security
$34.15 $54.99
at Sears

Simple and effective home security alarm. Connect the unit to your land telephone line, program the 5 emergency numbers and this u...nit will provide security coverage over a 110 degree field and up to range of 8 meters. As soon as the motion sensor detects unauthorized entry into the field, the optional siren can ring or stay silent and then will start dialing to advise your contacts with a beeping noise. A fixed land line is required to set up this unit, but it will make calls to mobile or land lines and pagers. The motion sensor cannot be detached from the dialer portion and no additional motion sensors can be added. Wired door and window contacts can be added with Ideals SK619. Pressing the panic button on the unit will immediately start the dialing process. Create your own password to activate and deactivate the unit. Load 105 db built in alarm. This unit is not compatible with wireless accessories. Batteries, AC adapter, all connectors and instructions are included. read more

Ideal Security
$29.65 $56.99
at Sears

Residential warning system for floods, leaks and overflows. Wireless water detector. Can be used alone, unit has built in 105dB si...ren, or can be linked to one of Ideal's wireless receivers. If linked to one of Ideal's receivers when water is detected the unit will wirelessly signal to receivers. Excellent sump pump alarm, in laundry room near washer, or near hot water tank. Compatible with IDEAL's wireless telephone diallers SK618, SK642, SK633 and alerts SK623, SK626, SK632 No wiring, quick set up as stand alone unit. read more

Trademark
$29.99 $56.99
at Sears

Secures your home, dorm, office or hotel room from intruders with added security! As soon as the doorknob is touched, the alarm wi...ll sound like a powerful siren or barking dog to warn you that someone is trying to enter. An effective way to frighten away read more

First Alert
$15.12 $18.99
at Sears.com

Working smoke alarms cut the risk of dying in a home fire by 50%, and that's important because a home fire starts every 83 seconds...! The faster you know about a fire, the faster you can start moving your family outside. The First Alert smoke alarm with escape light not only alerts you to smoke and fire with a loud 85-decibel alarm, but also illuminates your path to safety. It uses ionization smoke sensing technology with a new contemporary enhanced smoke gathering design. It also features a low battery alert to remind you when to change the battery and has a missing battery guard to ensure that a battery is placed inside the alarm. The side battery drawer slides open for easy battery replacement. A blinking power indicator on the unit confirms that it is receiving power. The silence/test button allows you to both silence a non-threatening alarm and to test the unit's functionality. The alarm contains an optional pin to lock the battery and unit in place for tamper resistance. It can be mounted on eit read more

First Alert
$8.07 $10.99
at Sears.com

First Alert battery-powered smoke alarms are easy to install and have many unique features designed for different areas of your ho...me. All feature low battery alert chirps to remind you when to change the battery. Operates on 1 9V battery (included). read more

First Alert
$30.21 $55.50
at Walmart.com

Keep your home free from hazardous carbon monoxide; the First Alert Carbon Monoxide Detector, CO615 is a detector that notifies yo...u of its presence. This digital carbon monoxide detector has a built-in electro-chemical sensor that exactly senses the tasteless, invisible, and poisonous chemical in any corner of your room. Just plug-in this carbon monoxide alarm to any 120-volt outlet. You can check the intensity of this harmful gas and the device's battery level illuminated on the digital display in parts per million by pressing any button on the detector. Tone down the ringing alarm with a standard household remote control. You can test the First Alert Carbon Monoxide Detector, CO615 functions of this digital detector with the push of a button. This battery-operated carbon monoxide detector will continue to function even when there is a power outage. read more

First Alert
$38.08 $57.88
at Walmart.com

The First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display checks for the presence of... methane, propane or carbon dioxide in the atmosphere. This battery-operated gas detector is easy to install, as it plugs into any standard outlet. You can easily see the readings on its backlit display. The digital display features a hazard level indicator that lets you know how critical the situation is. This carbon monoxide detector has abundant battery backup to ensure the alarm works even if there is a power failure. A single button is all you need to press to verify if the alarm is working properly. The detector's internal electrochemical carbon monoxide sensor provides maximum accuracy. 5-year limited warranty. Combination explosive gas and carbon monoxide meets UL standards. read more

First Alert
$61.40 $79.00
at Walmart.com

The First Alert SCO7CN-C2 Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Location, in a pack of two, is a... battery operated talking combination smoke and carbon monoxide alarm that tells you what part of the home is in danger and whether the danger is smoke or carbon monoxide. Alarm is equipped with a mute button to silence any nuisance alarms and also tests alarm functions. Voice alarm is easily programmed for alarm's location within the home (11 pre-programmed choices). Voice alarm notifies which hazard is being sensed--"Warning, evacuate! Smoke in Kitchen!" Photoelectric smoke sensor reduces nuisance alarms from cooking smoke or shower steam. Combination smoke and carbon monoxide alarm utilizes electrochemical carbon monoxide sensor for increased accuracy. Easy access battery drawer means no need to remove alarm from ceiling to change battery. Meets UL standards and includes a 7-year limited warranty. read more

Fortress
$56.53 $99.97
at Walmart.com

The Fortress Quick Access Alarming Pistol Safe features Alarm-U, a tamper- and motion-sensitive programmable alarm. With heavy ste...el construction and enough room for two guns, this safe offers protection for your valuables and the ones you love. Other features include a whisper-quiet, quick button keypad that allows users to program their code and get access quickly. It also comes with an override key for trouble-free access and a spring-loaded drop-down door for quick access without giving up position. It comes with a removable shelf that allows up to two pistols or other versatile storage options. read more

Kidde
$32.99 $46.99
at BizChair

Battery operated to provide protection during power outage Battery lockout system deters covering battery compartment without inst...allation of batteries Slide-out battery door cover gives immediate access to batteries Test/reset button tests unit for proper operation and resets carbon monoxide alarm Red LED will pulse and a loud alarm pattern will sound when a dangerous level of carbon monoxide is detected Green LED flashes every 30 seconds indicating unit is operating properly Easy-to-install alarm is suitable for all living areas Alerts user to replace CO alarm after seven years of operation Quick reference guide on inside cover of battery door read more

Kidde
$32.99 $42.99
at BizChair

Dual ionization and photoelectric sensors offer the best protection against both fast flaming and slow smoldering fires Hush? feat...ure which temporarily silences the alarm Low battery warning and a loud 85 dB alarm Test/reset button and a red LED light which flashes every 30-40 seconds to indicate that the smoke alarm is operating properly read more

Kidde
$50.99 $69.99
at BizChair

Warnings spoken in loud-volume voice: ''Fire Fire!'' or ''Warning! Carbon Monoxide!'' Announces ''Low Battery'' when batteries nee...d changing Also includes chirp signal and flashing LED Test/reset button Batteries included read more

BRK
$10.73 $13.52
at Appliance Zone

9V battery operated smoke alarm perfect for use in existing multi-family applications.

BRK
View wishlist Set Sale Alert Continue shopping
View Sale Alerts Continue shopping