I.48 Melodies for your selection,
II.Plug in wireless doorbell,
III.4 grades Volume,
IV.with LED light,
V.200 Meter

High Quality AC wireless plug in doorbells / chimes with one receiver and two transmitter

Voltage:AC 110V or220V (for Receiver)

Volume of bell:25-75db

Transmition Power: less than 10mW

Frequnency:433MHz/315MHz+/- 2MHz

Standby Current(bell): less than 1.0mA

Material of Bell Housing:ABS

Package:48pcs/Carton/0.10CBM 

Carton Size:52.5*52*36.5cm

N.W./G.W.:11.5/12.8kgs