2012 Popular Sell Intercom Doorbell Indoor Unit With Kinds of Plugs

Specifications

Intercom doorbell 

Wireless Musical Doorbell Receiver
-Selectable 16 melodies
-Receiver with loud speaker and super bright LED
-Intelligent learn code function
-Adjustable to 3 individual volume level(high, low and off)
-Three operation mode:
-Ringing & Blinking / Ringing only /Blinking only (silent mode)
-With table stand
-Low battery indicator 
- free socket outlet
- powered by mains (no need batteries)
- simple but intelligent code learning
Specifications :

- Supply: 230VAC, 50Hz
- Rating (socket outlet): 16A 3680W max
- Frequency: 433MHz

Wireless Musical Doorbell Transmitter
Features :

- water drip proof design
- random coding prevent interference
- name plate
- transmission indicator
- wall mountable
Specifications :

- Battery: 2 X 1.5V (LR44/AG13) button cells
- Frequency: 433MHz