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Features
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- Notifies you when a garage door is open.
- 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.
- Easy to set up.
- FCC/IC approved.
- One year warranty.
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The Smartest DIY Home Improvements
