The SquareGlow™ receiver flashes when you have an incoming landline phone call, Video Phone call or when someone presses the doorbell button.
- 7 Customizable LED light colors: White, Green, Red, Yellow, Blue, Aqua, and Purple
- Wireless 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