Buy at Smarthome - Security - Security Sensors

Trigger any INSTEON-compatible device or scene with this wireless PIR motion sensor. Features an adjustable time off delay, night-only mode and photocell that can activate lights on dusk/dawn detection. More info...

Part # 2420M

Compare

$34.99

495 customer ratings 495 Customers rated this product 4 Stars

TriggerLinc is a magnetic contact sensor that wirelessly controls lights and appliances throughout your house: TriggerLinc can do things like turn on lights, set the thermostat, or trigger a custom events. More info...

Part # 2421

Compare

$34.99

106 customer ratings 106 Customers rated this product 4.5 Stars

The K9-85 MCW is a PowerCode wireless digital PIR detector that will allow you to secure your home while still allowing pets to move freely anywhere in the house. More info...

Part # 73946

Compare

Sale $86.96 $109.99

17 customer ratings 17 Customers rated this product 4.5 Stars

Motion, Temperature, and Luminance Sensors in a Single Unit. This unit can also control Z-Wave devices and trigger HomeSeer automation events. More info...

Part # 12677

Compare

Sale $80.70 $84.95

3 customer ratings 3 Customers rated this product 5 Stars

The TOWER-40 MCW is a best-of-breed intrusion detector that offers unparalleled detection sensitivity and higher immunity to false alarms than almost any other wireless detector on the market. More info...

Part # 73979

Compare

$79.96

3 customer ratings 3 Customers rated this product 5 Stars

Visonic Spy detectors offer an unbeatable combination of very high performance together with exceptional inconspicuous installation. They are conveniently integrated into a wide range of security and control applications, including CCTV, and access control systems. These virtually unnoticeable are easily installed by flush-mounting them into a ceiling or a wall. More info...

Part # 73969

Compare

Sale $46.61 $74.58

This pet-immune motion sensor connects to your security system and automatically rejects single or multiple pets weighing up to 60 pounds. More info...

Part # 7498E

Compare

Sale $15.55 $29.99

8 customer ratings 8 Customers rated this product 4 Stars

Easy to install and operate sensor with extensive battery life. Built in tamper switch and "walk test" feature. More info...

Part # 79464

Compare

Sale $110.52 $575.00

2 customer ratings 2 Customers rated this product 5 Stars

The Mace Wireless Security Motion Detector Sensor is easy to install near the doors and windows of your home for added protection. More info...

Part # 7991MS

Compare

Sale $36.43 $39.95

3 customer ratings 3 Customers rated this product 5 Stars

An excellent general-purpose security PIR motion sensor at a very reasonable price. More info...

Part # 7481A

Compare

Sale $13.97 $22.99

45 customer ratings 45 Customers rated this product 4 Stars

The SRN-2000 series of passive infrared detectors presents a technological break-through that is revolutionizing the PIR industry. The SRN-2000 employs an innovative approach by combining several different design techniques to solve the industry's biggest problem - false alarms. More info...

Part # 73963

Compare

Sale $43.97 $70.00

1 customer rating 1 Customer rated this product 5 Stars

The Aleph America Ceiling Mounted Passive Infrared Detector features the changeable pulse count and sensitivity adjustments allow absolute detection to all interior security applications. More info...

Part # 79221

Compare

Sale $66.97 $79.00