The push button(transmitter) is powered by a 12V/2A battery; The door chime(receiver) can be plugged into any standard electrical outlet for the simplest installation and operation. This product includes the plug-in door chime and the push button. There is a flashing light indicator on the unit as another form of notification that someone is at your door.
Specifications:
Material: ABS
Wireless Range: 900ft / 280m in the OPEN AIR
Tunes: 36 options
Volume: 3 level adjustable levels (25db to 85db)
Receiver Power: AC 110V ~ 240V 50Hz / 60Hz
Transmitter Power: 1 x 12V 23A battery
Package Includes：
1 x Push Button (Transmitter)
1 x Plugin Chime (Receiver)
1 x Screws Bag
1 x Screwdriver
1 x Double-Sided Adhesive
1 x 12V 23A Alkaline battery for transmitter
1 x User Manual
