1. Voice control:once you have this switch,you can connect it with ( /dot/tap) or Assistant for voice control. 2. Wi-Fi Remote Control:You can use "Smart Life" APP in your smart phone to control the switch wirelessly with Wi-Fi or 4G network.no hub required. 3. Timing Function:Take full control of your home or office lights thanks to schedule timer that allow you to plan the exact time to turn lights and appliances on/off automatically 4. Share Device:This samrt switch can have several control sites shared by different family members.one mobile phone can control many switches also. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC110V Color: As shown Material: Plastic+Metal Package Contents: 1*Tuya Smart 3.0 WiFi Gases Water Vavle 1 x English instruction manual 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.