Buy at Smarthome - Security - Security Sensors

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

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

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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Sale $2.63 $5.99

92 customer ratings 92 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

Completely hidden long 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 # 7358

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Sale $1.97 $3.99

66 customer ratings 66 Customers rated this product 4.5 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

PL-1 Outdoor PIR Detector Designed for outdoor low voltage and automatic control applications. Featuring a rugged construction, with integral swivel bracket, that enables aiming the detector at the desired direction. More info...

Part # 73989

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Sale $46.97 $74.72

2 customer ratings 2 Customers rated this product 2.5 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

Rugged aluminum housings with armored steel cable make this set of magnetic contacts durable and reliable for use in harsh conditions. For garage doors, roll up doors and other doors where it may be difficult to mount regular magnetic contacts. More info...

Part # 79248

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Sale $24.97 $41.63

Designed specifically for use outdoors, this sensor provides sensitive, adjustable detection from a robust, weather-resistant housing. More info...

Part # 76435

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Sale $80.72 $122.60

An excellent solution for outdoor areas where environmental disturbances and small animals create troublesome false alarms, the FTN-AM comes with a built in bracket that enables horizontal rotation of 190°. More info...

Part # 76452

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Sale $93.98 $156.00