220V AC Hotel Wire Dingdong Doorbell, Melodious Piano Sound

1. Use electromagnet to strike the high and low double steel sheet to voice, with a big size tune, classical and crisp timbre.
2. 220V AC voltage input
3. Popular hotel standard dingdong voice
4. High-grade nice appearance
5. Superior quality PC polycarbonate panel, with nice mould polished effect, non yellowing or fade.

It is widely used in super hotel, reluxy hotel, star hotel, Upscale hotel, Modern apartment and office.

Easy install:
1. There is standard 86mm install hole or hang hole, you can install the bell hang in the ceiling or intall to a 86mm box.
2. Please put the bell closed to the wall or ceiling for a sweet big voice with long echo.
3. After connect the bell cable, plug power to use
4. Press the outdoor bell button(Mechanical doorbell switch or touch doorbell switch), the bell will ring.