Buy at Smarthome - Sensors - Occupancy & Motion Sensors

The Optex TD-20U Indoor/Outdoor Wireless Infrared Transmitter is a great addition to your Optex Wireless 2000 and 1000 Annunciator systems, broadcasting signals up to 2,000 feet to your Optex receivers. More info...

Part # 7136ST

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Sale $63.86 $90.00

11 customer ratings 11 Customers rated this product 5 Stars

Infrared photo sensor can detect people or objects breaking its beam of invisible light and alert you. Use on your driveway to advise of an approaching car, or to let you know someone's coming in the side gate. More info...

Part # 72101R

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Sale $45.99 $119.95

1 customer rating 1 Customer rated this product 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

Ensure the safety of your property by adding this perimeter-style photobeam sensor to your security system. The sensor has a built-in laser beam alignment system that speeds accurate, reliable positioning. More info...

Part # 70385

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Sale $106.67 $330.00

1 customer rating 1 Customer rated this product 1 Star

The Aleph America Photoelectric Dual Beam Detector is designed for a wide variety of outdoor and indoor residential, commercial and industrial applications up to 350 feet outdoors and 700 feet indoors. More info...

Part # 79223

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Sale $199.97 $280.00

Ensure the safety of your property by adding this perimeter-style photobeam sensor to your security system. The sensor has a built-in laser beam alignment system that speeds accurate, reliable positioning. More info...

Part # 70384

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Sale $69.02 $196.70

This pair of dual-beam motion detectors can also provide a deterrent with the system's built-in audible alarm indicator, which sounds before break-in occurs. More info...

Part # 74601

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Sale $113.25 $174.99

2 customer ratings 2 Customers rated this product 1.5 Stars

Six (6) photoelectric beams can be used over a span of up to 50 feet indoors or 25 feet outdoors. The sensors are perfect for installation where space is limited to monitor any possible entry point to your property. More info...

Part # 77399

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Sale $86.60 $129.99

1 customer rating 1 Customer rated this product 4 Stars

Monitor the perimeter of your home or business property with this weatherproof motion detector. It uses four infrared (IR) beams to create a barrier up to 660 feet long in an outdoor environment. More info...

Part # 77404

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Sale $322.97 $341.99

Ensure the safety of your property by adding this perimeter-style photobeam sensor to your security system. The sensor has a built-in laser beam alignment system that speeds accurate, reliable positioning. More info...

Part # 70386

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Sale $81.58 $263.40

Fully adjustable photoelectric detector is easy to install and protects against false alarms. Weather-resistant housing also protects against bugs and dirt. More info...

Part # 76411

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Sale $142.17 $216.30

Monitor the perimeter of your home or business property with this weatherproof motion detector. It uses two infrared (IR) beams to create a barrier up to 390 feet long in an outdoor environment. More info...

Part # 77400

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Sale $154.97 $173.99