Best Deals This Week

Best Household Sensors Alarms Deals Online in the US (10 deals found)

Last Updated - May 2, 2026 Sort By:

Best Choice

New
Security Door Window Alarm, Wireless Sensor Door Window Burglar Alarm, Door Alarms for Kids Safety, Easy Installation Doorbell Alarms for Office House Window Pool (4 Pack)
LOUD DOOR ALARM: This alarm is loud enough to immediately sound a strong alarm when someone illegally opens a door or window, high-quality magnetic sensors trigger alarms up to 90dB, protects your home and office place, prevents children from getting out of the room and getting lost, super durability and stability.

$8.80 $9.78
New
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors
WIDE RANGE OF APPLICATIONS : The wireless weather resistant driveway alarm motion sensor can be used to monitor&protect your outdoor/indoor property. Such as driveway, front porch, gate,pool,garage,shed and etc. Great for home, business,and office.The sensor will work properly at all the seasons. Working temperature range from -30 to 150 degree Fahrenheit.

$43.99
New
WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviov
WIFI Network: WIFI connection, Only works on 2.4GHz WiFi network, does NOT support 5GHz WiFi networks.

$59.99
Best Value

New
CPVAN 125dB Loud Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Security Motion Detector with Siren for Home Garage Van (CP2 Pro, Black)
Super Loud and Easy to Use👉 CPVAN Motion Sensor Alarm is designed with 125dB alert device and simple operation, which can be very loud to scare away thieves, naughty children, dogs, raccoon, foxes. It's easy to use to protect your kitchen, stair, garage, shed, shop, boat, van and so on. Note: It isn't waterproof.

$21.60 $22.74
New
CPVAN 125dB Loud Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries), Indoor Wireless Infrared Security Motion Detector with Siren for Home Garage Van (CP2 Pro, Black)
Super Loud and Easy to Use👉 CPVAN Motion Sensor Alarm is designed with 125dB alert device and simple operation, which can be very loud to scare away thieves, naughty children, dogs, raccoon, foxes. It's easy to use to protect your kitchen, stair, garage, shed, shop, boat, van and so on. Note: It isn't waterproof.

$25.99
31% Off

New
Driveway Alarm Wireless Outside, 1 BY ONE Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property
Wireless Motion Sensor Alarm: A Motion detector is essential in a home security system; It can detect movement in the surrounding areas: driveway, front porch, gate, home, shed, office, walkway, swimming pool, etc, and trigger alerts to the linked receiver; It provides an added level of security and safety to your property and loved ones

$24.28 $34.99
15% Off

New
Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School
【58 RINGTONES & 5 VOLUME LEVELS】 Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash

$21.24 $24.99
New
Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School
【58 RINGTONES & 5 VOLUME LEVELS】 Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash

$24.99
New
Upgrade Professional Bed Sensor Alarm and Fall Prevention for Elderly/Dementia and More,Caregiver Pager Motion Sensor with 5 Volume Level
【Long Range Wireless motion sensor alarm】Easy to monitor loved ones getting out of bed or leaving the room, the wireless motion sensor can be placed on the floor under the bed to trigger an alarm when the patient's feet are about to touch the floor, or it can be placed in the doorway to monitor a loved one leaving the room, it transmits the signal to a receiver within 918 feet of the open area.

$33.99
18% Off

New
Sanjie Door Window Alarms - 5 Pack,125dB,Volume Control,Window Door Open Alarm Sensors for Kids Safety/Dementia/Pool,Wireless Sensors Keep Your Home Security,Easy to Install,Long Battery Life
Peace of Mind - Door window alarms guard you and your home's security. Alarms can also keep the safety of kids as well as the elderly who need care

$27.18 $32.99

10 Household Sensors Alarms deals are available from: Amazon stores, starting from $8.80.
The biggest discount we found is 31% on Driveway Alarm Wireless Outside, 1 BY ONE Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property at Amazon.
The lowest price we found is $8.80 while the highest is $59.99.
Prices for the best Household Sensors Alarms deals average at $29.21.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Household Sensors Alarms.