... , live status,make up room,no disturb,touch key door bell five function,light indicate. 5 in 1 ... room No, live status,make up room,no disturb,touch key door bell five function ,light indicate .Don't ... The room No is lighting mean room is using .2.Insert power swith, room No will light.3.Touchkey ... °CWorking humidity:50°C 10—95%RHTouch key life:Capacitive unlimited touch key. Touch key door bell for hotel