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 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 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

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 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

Here is the most basic sensor of any alarm system. These contact switches are ideal for doors, windows, and sliding doors. These magnetic contact switches are for closed circuit systems. More info...

Part # 7113

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Sale $2.49 $2.99

168 customer ratings 168 Customers rated this product 5 Stars

Protect your home with contact sensors for doors and windows that are smaller and less noticeable than traditional sensors. More info...

Part # 7352

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Sale $2.79 $2.99

129 customer ratings 129 Customers rated this product 5 Stars

Protect your family and home from potentially catastrophic fires with the ultimate fire protection system! More info...

Part # 7309

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Sale $58.95 $89.99

7 customer ratings 7 Customers rated this product 5 Stars

For garage doors, roll up doors and other doors where it may be difficult to mount regular magnetic contacts. More info...

Part # 7455

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Sale $11.29 $14.99

95 customer ratings 95 Customers rated this product 4.5 Stars

Completely hidden short round magnetic contact switches. Best used on new contruction when the wall are open. Makes running the cables to the alarm panel an easy job. More info...

Part # 7359

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Sale $2.99 $3.99

129 customer ratings 129 Customers rated this product 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