Wireless Home Ultra Distance One To One Electric Door Ling

Product information:
Color: white, black
Volume: 5-speed volume (adjustable to only flashing light)
Receiver: When the bell rings, the light will be on.
Music: 60 music
Transmitter: use CR2032 battery (factory equipped)
Transmitter size: 65mm * 37mm * 11mm
Receiver voltage: Plug in the power supply (AC100-240V)
Receiver size: 56mm * 56mm * 20mm
Remote control distance: 300m straight line on the open ground