Buy at Smarthome - Sensors - Security System Sensors

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

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Sale $86.96 $109.99

17 customer ratings 17 Customers rated this product 4.5 Stars

This system not only detects leaks early, but it automatically shuts your water off in the event of a leak, alerting you with the control panel's alarm. More info...

Part # 7115H2

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Sale $114.92 $142.00

62 customer ratings 62 Customers rated this product 4.5 Stars

Since you won't always be around the moment a water heater leak begins, this valve protects your home, shutting off the water and emitting an audible alert when its sensor detects the presence of water. More info...

Part # 7115H2C

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Sale $120.95 $147.00

10 customer ratings 10 Customers rated this product 4.5 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

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$79.96

3 customer ratings 3 Customers rated this product 5 Stars

This system not only detects leaks from your icemaker or water filter early, it automatically shuts your water off in the event of a leak, alerting you with the control panel's alarm. More info...

Part # 71152

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Sale $100.95 $130.00

19 customer ratings 19 Customers rated this product 4.5 Stars

With each of its eight PIR sensors acting as a Quad detector, the TOWER-20AM-MCW provides the ultimate in prevention against false alarms caused by outdoor interferences, such as rain, snow, lightning storms, swaying bushes, and free-roaming animals, while still providing reliable detection of real threats. More info...

Part # 73978

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Sale $253.96 $299.99

1 customer rating 1 Customer rated this product 5 Stars

This system not only detects leaks early, but it automatically shuts your water off in the event of a leak, alerting you with the control panel's alarm. More info...

Part # 7115H3

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Sale $132.95 $167.00

3 customer ratings 3 Customers rated this product 3.5 Stars

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

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Sale $15.55 $29.99

8 customer ratings 8 Customers rated this product 4 Stars

This system not only detects leaks early, but it automatically shuts your water off in the event of a leak, alerting you with the control panel's alarm. More info...

Part # 7115IM2

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Sale $102.95 $138.00

13 customer ratings 13 Customers rated this product 4.5 Stars

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

Part # 7481A

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Sale $13.97 $22.99

45 customer ratings 45 Customers rated this product 4 Stars

With this outdoor infrared beam detector you can provide extra security to your home by creating a fence you can not see up to 70 ft. long outdoors (165 ft. indoors). More info...

Part # 7460

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Sale $66.27 $124.99

11 customer ratings 11 Customers rated this product 4 Stars

With its 40' x 50' 120-degree wide angle capture area, this motion detector will keep an eye on your property when your security system is armed, and it won't be falsely triggered by direct sunlight. More info...

Part # 76402

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Sale $69.97 $104.99

3 customer ratings 3 Customers rated this product 5 Stars