Specifications

* Receiver Size: 95 * 60mm emitter size: 75 * 42MM
* Type: 2 to 1 - emitter (remote control) × 2 + receiver (sounder) × 1

it can combine: 1 to 1, 1 to 2, 2 to 1
* The remote control power: <10mw
* Receiver Rated voltage: AC 220V 50Hz/60Hz
* Receiver controlled volume: 20-80dB (eight stalls volume,can be adjusted, unique design)
* Receiver Standby Current: <1.0mA
* Receiver plug: US plug
* Working frequency: 315MHz ± 2MHz
* Accessories: emitter built-in 12V 23A alkaline battery 1 ( our from factory with a normal a year or so generally shopping in supermarkets)
* Implementation of the standards: Q/YG002-2008
* Packing: color double-sided dual-use blister card mounted, green packaging and marking of the "Roths"

Features

* European design style, fashion, simple, vulgarity;
* Computer Optional 36 24 polyphonic music (built-in amplifier and stereo speakers)
* industry-leading 280-meter Super remote / receiver distance (actual received signal as the environment changes due to obstructions different signals are different, but this section is the best wireless doorbell signal)
* emitter key structure waterproof design (mainly moisture can not be mounted directly to the exposed outer oh)
* Humanized eight level adjustable volume
* emitter,touch the button and never wear
* digital circuit design, stable and reliable performance;
* Princess music doorbell products comply with CE quality certification standards, at the same time as a radio frequency transmission devices and equipment in line with the U.S. Federal Communications Commission FCC standards for electromagnetic compatibility certification, proving those doorbell products without harmful effects on the environment and will not harm the personal safety.

two kinds of colour optical, white or black