Buy at Smarthome - Sensors - Alert Systems & Other Sensors

TriggerLinc is a magnetic contact sensor that wirelessly controls lights and appliances throughout your house: TriggerLinc can do things like turn on lights, set the thermostat, or trigger a custom event in HouseLinc 2 More info...

Part # 2421

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Sale $31.49 $34.99

31 customer ratings 31 Customers rated this product 4 Stars

This weatherproof transmitter uses a passive infrared (PIR) beam to detect people or vehicles to a distance of up to 80 feet, then sends a radio signal back to the receiver, which can be placed in your home up to 600 feet away. More info...

Part # 7312

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Sale $119.33 $149.99

79 customer ratings 79 Customers rated this product 4.5 Stars

This weatherproof transmitter will send an instant alert to your home from the foot of your driveway when a car enters but won't be triggered by deer or large animals. More info...

Part # 7313

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Sale $195.33 $219.99

34 customer ratings 34 Customers rated this product 4.5 Stars

Expand your Voice Alert System with up to six of these extra sensors. More info...

Part # 7138T

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$69.95

19 customer ratings 19 Customers rated this product 4.5 Stars

This waterproof transmitter uses a passive infrared (PIR) beam to detect people or vehicles to a distance of up to 80 feet, then sends a radio signal back to the Wireless Motion Alert receiver in your home. More info...

Part # 7312T

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Sale $72.92 $93.99

33 customer ratings 33 Customers rated this product 4.5 Stars

This standalone motion detector has a built-in 130-decibel alarm that protects your home when you're away. More info...

Part # 7003MS

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$59.00

16 customer ratings 16 Customers rated this product 4.5 Stars

Combining wireless and digital voice technology this system is the most cost-effective annunciation system available offering homeowners security, notification, convenience, and most of all peace of mind. More info...

Part # 7138

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$149.95

15 customer ratings 15 Customers rated this product 5 Stars

Add another receiver to your Wireless Motion Alert system, and you'll be able to receive an audible alert in another room in your home. This unit receives radio signals from the transmitter, which can be located at the base of your driveway up to 600 feet More info...

Part # 7312R

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Sale $56.42 $74.99

27 customer ratings 27 Customers rated this product 4.5 Stars

This sensor and receiver kit is designed to monitor movement around your house, notifying you instantly if motion is detected via audible and visual indicators. More info...

Part # 7311M

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Sale $30.11 $41.99

76 customer ratings 76 Customers rated this product 3.5 Stars

This sensor is designed to detect motion inside or outside of your home, sending a wireless signal to the Household Alert Receiver. More info...

Part # 7311MS

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Sale $20.44 $30.99

53 customer ratings 53 Customers rated this product 3.5 Stars

This battery-powered burglar alarm system is set and disarmed with a user-programmable code. Its built-in PIR motion sensor triggers the 105dB alarm. More info...

Part # 79919

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Sale $22.85 $35.99

16 customer ratings 16 Customers rated this product 4.5 Stars

Be alerted of activity outside you home using this solar powered wireless in-ground motion sensor and plug-in chime and lighting module. Communicates via radio frequency. More info...

Part # 40840

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Sale $47.30 $47.99

8 customer ratings 8 Customers rated this product 2 Stars