Buy at Smarthome - Sensors - Security System Sensors

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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$131.99

37 customer ratings 37 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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$103.99

22 customer ratings 22 Customers rated this product 4.5 Stars

Protect doors, windows, gun cases, jewelry boxes, or just about anything that opens and closes. More info...

Part # 73933

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$49.99

42 customer ratings 42 Customers rated this product 4.5 Stars

Expand your security system coverage by adding extra motion sensors. Unlike other units, this PIR is smart enough to tell the difference between burglars and your pets (up to 85 pounds). More info...

Part # 73904

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$98.99

14 customer ratings 14 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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$3.99

48 customer ratings 48 Customers rated this product 5 Stars

An excellent pet-immune security PIR motion sensor at a very reasonable price. More info...

Part # 7481A

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$22.99

19 customer ratings 19 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 open circuit systems. More info...

Part # 7040

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$5.99

26 customer ratings 26 Customers rated this product 4.5 Stars

Know when a person or vehicle approaches your home or business with this wireless visitor announcement system. More info...

Part # 7135AS

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$164.99

11 customer ratings 11 Customers rated this product 4.5 Stars

Monitor motion at a driveway entrance, backyard, basement with this flexible wireless motion sensor. Use in conjunction with a wireless receiver (#7135SR or #7135CR). More info...

Part # 7135ST

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$89.99

3 customer ratings 3 Customers rated this product 4 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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$14.99

34 customer ratings 34 Customers rated this product 4.5 Stars

Stop burglars BEFORE they break in with this combination motion sensor and glassbreak detector. More info...

Part # 71242

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$74.99

5 customer ratings 5 Customers rated this product 4 Stars

For the greatest level of security and immunity from false alarms choose this sensor with both a passive infrared sensor (PIR) and an active microwave (10.525GHz) sensor in one unit. More info...

Part # 7493