The SquareGlow HomeKit provides you with an entire signaling system that will alert you to the door or video phone or landline phone. This system's doorbell will transmit into the flashing light you will see your flashing color choice, one of the 7 different, bright, LED, flashing colors you choose to alert you as well within 53 sound options.  All customizable to your preferences. Never miss another phone call again! 

Features

• Customizable 7 LED colors: White, Green, Red, Yellow, Blue, Aqua, and Purple
• The SquareGlow transmitters and receivers have a range of up to 600 feet
• Unlimited Paring (i.e. 1,000,000 remotes with one receiver or 1,000,000 receivers with one remote)! 
• 52 Ring customizable Ringtones
• Volume: 0-120 dB (5 levels)
• Uses one 12v 23a battery for doorbell and one 12v 23a battery for phone signaler and three AA batteries for every flasher 

Specs

• Supports DC 5V 2A Adapter or 3x AA batteries
• Range: Up to 60 feet
• Volume: Up to  120dB

What's in the Box? 

• 1x wireless doorbell transmitter
• 1x phone signaler transmitter with RJ-11 cable 
• 2x wireless flasher receivers
• 23a 12v batteries (preinstalled) 
• 4 mounting screws 
• User manual 

Documentation