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Skylink GM-318 Household Alert Garage Door Monitor Set

Product ID: B000ENAAYY Condition: New

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Product Description

Supervised Sensor: monitors the sensors and their battery condition automatically
GM-318R can work with up to 4 sensors. (additional sensors sold separately)
Both audio and visual indicators
Operating range: 300 feet
AC adapter included

The garage door monitor is designed to monitor the status of your garage door and advise you if the door is open. By placing the sensor on the door panel, you will be alerted when the door is open. When the garage door is open, receiver will beep and flash.