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) 110-260V; weak current (DC) 12V-24V ferroelectric single output: AC220V / 5A weak output: RS485 / DC12-24V Static working power: ≦ 1W Life: Relay 220V contacts at full load, life of more than 10 million times Frame Material: None frame design panel color: black / white panel Material: tempered glass / plexiglass Dimensions: 86 * 86MM Installation: GB 86 bottom box