The SquareGlow™ Doorbell transmitter is easy to install, with no wiring required. It lets you know when you have someone at your door or when someone calls you. When paired with the SquareGlow Receiver (Flasher), you will be alerted by 7 adjustable colors LED flashing lights that you have someone at the door.
- Wireless range of up to 200m (600 feet)
- Changing color button (On the side)
- Unlimited # unit pairing technology