Buy at Smarthome - Sensors - Security System Sensors

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 More info...

Part # 73951

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Sale $101.50 $129.99

10 customer ratings 10 Customers rated this product 3.5 Stars

This wireless smoke detector not only blares a loud, 85-dB internal sounder when it senses the presence of smoke or excessive heat, but it can also send a wireless signal to your security panel to activate your home's security system. More info...

Part # 73943

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Sale $128.93 $129.99

3 customer ratings 3 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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Sale $15.04 $22.99

32 customer ratings 32 Customers rated this product 4 Stars

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

Part # 73946

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$55.00

This pet-immune motion detector with selectable range combines a PIR sensor with an active microwave sensor for an accurate, false alarm-immune motion detector for maximum reliability. More info...

Part # 73928P

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$59.99

6 customer ratings 6 Customers rated this product 4 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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$49.99

This hardwired motion detector with selectable range combines a PIR sensor with an active microwave sensor for an accurate, false alarm-immune motion detector for maximum reliability. More info...

Part # 73928

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$44.99

2 customer ratings 2 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

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$61.99

3 customer ratings 3 Customers rated this product 4 Stars

Make your own wireless sensor from a hardwired sensor, like garage door contacts with a two input universal transmitter. More info...

Part # 73917

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Sale $44.99 $49.99

5 customer ratings 5 Customers rated this product 4 Stars

Expand your 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 80 lbs.) More info...

Part # 73912

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$99.99

2 customer ratings 2 Customers rated this product 4.5 Stars

One of the smallest PIRs made. Attractive high-tech design for modern interiors from 10-16VDC. Curtain model. More info...

Part # 7482C

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Sale $45.94 $49.99

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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$60.00