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

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$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

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$34.99

106 customer ratings 106 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 washing machine leak, alerting you with the control panel's alarm. More info...

Part # 71151

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Sale $144.95 $200.00

82 customer ratings 82 Customers rated this product 4.5 Stars

This is a fully supervised PowerCode magnetic contact transmitter, designed for protecting doors and windows using a built-in magnetic contact that operates in conjunction with a magnet to detect the opening and closure of a door or window. More info...

Part # 73953

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Sale $26.31 $49.99

31 customer ratings 31 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

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

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Sale $80.70 $84.95

3 customer ratings 3 Customers rated this product 5 Stars

This is a fully supervised PowerCode magnetic contact transmitter, designed for protecting doors and windows using a built-in magnetic contact that operates in conjunction with a magnet to detect the opening and closure of a door or window. More info...

Part # 73932

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Sale $24.97 $38.00

6 customer ratings 6 Customers rated this product 4.5 Stars

Achieving superior smoke detection sensitivity levels, the MCT-425 provides early warning of developing fire. When smoke is detected, the MCT-425 issues both sound and transmitted alarms. More info...

Part # 73954

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Sale $56.87 $99.99

17 customer ratings 17 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

A burglar can't open your doors or windows without setting off the door/window contacts, but what happens when he gains access through a broken window? This unit recognizes the pattern of glass breaking across the full audio band. Perfect for homes with a lot of windows. Battery included. Manufacturer's part number MCT-501. More info...

Part # 73951

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Sale $88.97 $139.99

17 customer ratings 17 Customers rated this product 3 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

Reliable, simple to use wireless smoke alarm features self-diagnostic functions. Automatic drift compensation reduces chance of niusance alarm. More info...

Part # 79515

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Sale $95.99 $144.02