Buy at Smarthome - Sensors - Security System Sensors

Eight (8) 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 # 77405

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Sale $125.97 $159.99

Visonic is now offering the most universal detector for low-current, battery-powered applications. Environmental disturbances are virtually eliminated with a combination of industry leading, false alarm immunity, features presented in the SRN-2000 C/PC. More info...

Part # 73965

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Sale $58.97 $96.68

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

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

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 $145.97 $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

Reliable, user friendly detector rated for operation in harsh climate conditions. IP65 rating means that this unit prevents rain, dust, and insects from infitrating the casing and preventing proper functioning. More info...

Part # 76414

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Sale $142.17 $216.30

Four (4) 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 # 77589WH

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Sale $69.02 $216.70

1 customer rating 1 Customer rated this product 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 # 77590WH

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Sale $86.60 $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 # 76409

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Sale $116.87 $179.10

The security industries most reliable motion detector and best false alarm immunity shoved into one device. Visonic took their state of the art infrared and microwave technologies, put them in the worlds smallest motion detector, and gave us the DUO-240. More info...

Part # 73966

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Sale $54.65 $90.72