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 Spy detectors offer an unbeatable combination of very high performance together with exceptional inconspicuous installation. They are conveniently integrated into a wide range of security and control applications, including CCTV, and access control systems. These virtually unnoticeable are easily installed by flush-mounting them into a ceiling or a wall. More info...

Part # 73969

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Sale $46.61 $74.58

The Aleph America Ceiling Mounted Passive Infrared Detector features the changeable pulse count and sensitivity adjustments allow absolute detection to all interior security applications. More info...

Part # 79221

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Sale $66.97 $79.00

The SRN-2000 series of passive infrared detectors presents a technological break-through that is revolutionizing the PIR industry. The SRN-2000 employs an innovative approach by combining several different design techniques to solve the industry's biggest problem - false alarms. More info...

Part # 73963

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Sale $43.97 $70.00

1 customer rating 1 Customer rated this product 5 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

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

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

This advanced passive infrared motion sensor is perfect for use at any indoor entry point. Design features reduce false alarms. More info...

Part # 86852

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Sale $17.44 $27.90

Secure your doors and windows with the inconspicuous, easy-to-install recessed door sensor. Up to 5 years battery life. More info...

Part # 79463

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Sale $53.99 $80.00

Combining integrated PIR and microwave technologies with 360 degree coverage, this dual-tech sensor provides exceptional detection performance, even in harsh residential and commercial environments. More info...

Part # 74097

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Sale $31.97 $33.57

1 customer rating 1 Customer rated this product 5 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 # 70384

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Sale $69.02 $196.70