1.Hotel lighted doorbell switch In-Voltage=220V 2.Material:ABS +Zinc alloy ... 3.Feature:Display room NO.,D.N.D,Make up,etc Item :lighted ... card locker lock,Digital locker lock,Energy savingswitch,Doorbell switch,Touch screen light switch... ----------------------- -------- -------------------- ------------ ------------------------- Why choose us? 1) SCC ...