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

Sensaphone's Zone Water Detector is ideal for use in detecting the presence of water on a floor or in a false ceiling. More info...

Part # 7069

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Sale $121.50 $135.00

1 customer rating 1 Customer rated this product 5 Stars

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 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

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

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

These NC Magnetic Contacts include pre-wired 15" leads, and can either be mounted with screws or the included foam tape. More info...

Part # 77447BR

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Sale $2.12 $3.40

10 customer ratings 10 Customers 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 # 70385

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Sale $106.67 $330.00

1 customer rating 1 Customer rated this product 1 Star

This surface-mount switch is the most basic sensor of any alarm system. Use it to monitor the opening and closing of doors, windows and entry points to your property. Hides wire terminals. More info...

Part # 77415

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Sale $1.44 $2.99

11 customer ratings 11 Customers rated this product 4.5 Stars

Intelligent, accurate PIR detector automatically adjusts sensitivity based on ambient environment. Features "Creep Zone" sensor for detection below and around the unit. More info...

Part # 76448

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Sale $661.47 $1,089.00