MP3 Doorbell Features:

1)  MP3 and doorbell music can be chosen by switch.
2) Exquisite design with LED indicator on receiver
3)  Anti interference technology used. (digital coding)
4)  different musics or songs can be chosen by using Up and Down switch, make you enjoy.
5)  volume can be adjusted by up and down button.
6)  Easy instillation, no wiring needed, no labor involved. (wireless doorbell)
7)  Easy mobility, suitable for house, villa, office, hotel, food joints, dormitory, factory etc.
8)  New innovative technology (SMT), range more than 200 meters
9)  Black and white colors can be chosen. 

10) three AA batteries is used in receiver. 

11)  supports TF card, easy to download MP3 music

12) Advanced touch button can be pushed more than 100, 000 times 

 

 

MP3 doorbell Specification:

Voltage of Plug-In Smart Receiver:	AC 110V ~ AC 220V 50Hz/60Hz
Power Supply:	Transmitter: DC3V (CR2032 battery) Receiver: DC4.5V (3×AA batteries)
Power Consumption (Transmitter):	< 10mW
Wireless Range:	200m in Open Air
Power consumption:	Standby current <700uA; Working current <150mA
Volume Range:	4 Levels (25 -110 dB)
Receiver Sensitivity:	-110DBM
Working Frequency:	315/433/868 MHz±2MHz
Working Temperature:	-30℃~70℃
Unit Size:	Receiver: 80*27.5*87mm Transmitter: 41*18*71mm