Doorbells By Douwin Int'l Industry Limited

We are instrumental in providing to our valuable customers excellent quality Doorbells which are available with following specification:-
Case material: imported fire-resistant PC plastic
Shell color: senior ivory and silver-plated frame
Operating voltages: 180 to 250V AC (other voltages can be customized)
Dimension: 152mm

Features: super bright LED digital tube display hotel room number, room number, smart setting, tamper with them (change of method see the product installation, the product side to take off the shell can be seen set methods)
Smart touchscreen ding-dong doorbell trigger
Do not disturb doorbell trigger self-locking, (do not disturb lights, the server is locked on its own touch-screen bell triggering)

Please clean:
When guests want to clean the room, in the room by pressing the please clean up switch, the door with a clean logo signs in the light always, waiters will see a prompt that is timely and clean rooms, when the guests want to rest or engage in other activities when you do not want to be disturbed, just in the room by pressing the do not disturb switch, the door signs not to interference with the logo lights Chang Liang, suggesting that other people do not disturb, this time even if the press the doorbell switch, the room inside the bell will not ring
Because it is the instantaneous burst-ding-dong doorbell device, can not long hold down the touch screen to trigger the ding-dong doorbell, so need to jog touchscreen to trigger the doorbell.