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About The Garage Door Monitor™ Sensor

Notifies you when a garage door is open. Supervised Sensor: monitors the sensors and their battery condition automatically. Long life Lithium Battery included. Operating range: 300 feet. Easy to set up. FCC/IC approved. One year warranty. Product Price Qty   Model SLGM-318-T Garage Door Monitor Sensor Now Only $22.95 View All Household Alert Products Go To Home Page