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This product has been discontinued.
Features:
- Automatically alerts you when someone is knocking at your door.
- Wireless system allows you to place the lightweight chime anywhere in your home or office, up to 100 feet away.
- Intelligent sensor is only activated by a knock-knock sound.
- Easy installation and no unsightly doorbell button. Simply mount the sensor on the inside of your door with double sided tape.
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The Smartest DIY Home Improvements
