1. Infrared sensor, no need to touch the switch 2. Avoid bacterial cross-infection, safer 3. 15cm sensing distance to avoid misuse 4. Steel protective glass panel, anti-scratch, easy to scrub Input voltage: AC100-240V 50/60Hz Wiring: Live and Neutral Maximum load current: 10A Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. type: Smart Switch color:White Material:PC+steel protective glass panel size:118 x 74 x 35mm Package Contents: 1 x Smart Light Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.