It can be customized according to the strength of electrical, panel material, panel color, frame color, frame material, number of buttons, fonts, logo, backlight color and so on. Product Overview: The main role is to allow multi-functional electronic house hotel staff and visitors will readily recognize the hotel room and rooms inside and outside information to synchronize. Set room number display, room status, do not disturb, please clean up, touch the doorbell button, there is no check as one of the hotel rooms intelligent house. Product features: built-in multi-function electronic room numbers: LED light emitting display room number / doorbell (touch buttons) / Do Not Disturb / Please clean / Please wait (already occupancy) content can specify an optional according to the customer! In the Do not disturb status, doorbell button is ineffective; in clean-up or canceled if you're a state, can be controlled doorbell. In the network state, bedside total button, so if you're automatically start doorbell failure. Technical parameters: Operating voltage: high voltage (AC) -220V / 60HZ weak (DC) 12-24V strong electric control mode: AC220V weak control mode: RS485 / DC3-24V / GND static operating power: ≦ 1W frame color: bright Branded / Champagne / drawing gold Frame Material: Zinc Alloy panel color: black / white panel Material: tempered glass / plexiglass Dimensions: 260 * 140MM Installation: attach the metal bracket in the 86 cartridge, plug the power cord, etc. connected, the machine installed in the bracket, lock the screws!