Wireless Hotel Card Holder Energy-Saving Switch with 2 Service Request Touch Panel & Built in Chime /Ding (220V Direct)
 (Mifare1) Gray plastic in the middle, Gray glass panel. 40A220V.(40A: from theory it works for 8800W, but when load over 4500W, should add relay)  DND/MUR: wireless type. Room Occupancy Status  (220V Direct)