7 Colors Light Flash Changable Music Doorbell Volume Adjustable Built-in 28 Music Wire-free Wireless Door Chime Flash Be

Specifications Working Current200mA During Flash lighting and ringing Standby Current0 5mAPower SupplyDC4 5VDecoding MethodMicroprocessor Prevent misoperation Encoding MethodLearning CodeMusic Configuration28 Chord MusicVolume Range0dB 85dB Mute Support Volume Degree8 LevelReceiving Distance100m In Open Area Button MethodTouch ButtonProduct SizeReceiver 10 2cm 6 7cm 3 0cm Transmitter 8cm 5 0cm 2 2cmBox Size1 to 1 10 5cm 11 0cm 8 0cm 1 to 2 15 7cm 11 0cm 8 0cmFeatures 1 7 color light flash changeable assisting with 28 different chord music 2 Adjustable volume with a range of 0dB 85dB and an option for mute 3 Powered by a DC4 5V supply with a microprocessor feature to prevent from misoperation 4 Wireless and wire free making it easy to install and convenient to use 5 Suitable for different users including the deaf and elderly can also be used as a service pager Package Includes 1x Indoor Unit1x Outdoor Unit1x Doorbell Notice Sticker1x Screw Pack1x Adhersive Set1x Manual