The SquareGlow™ receiver flashes and rings loud when you have an incoming landline phone call, VideoPhone call or when someone presses the doorbell/pager button. It also can work with an SOS pager, door/window sensor and an outdoor motion sensor.
Works with any of the following:
- 7 Customizable LED light colors: White, Green, Red, Yellow, Blue, Aqua, and Purple
- Range of up to 600 feet
- 52 Ringtones
- Multiple volume levels - up to 120 dB
- (3) AA alkaline batteries required (not included)
- One year warranty