1. Voice control: Once you have this switch, you can connect it with Amazon Alexa (Amazon Echo/Dot/Tap) or Google Assistant for voice control. 2. Wi-Fi Remote Control: You can use the "Smart Life" APP on your smartphone 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 the schedule timer that will allow you to plan the exact time to turn lights and appliances on/off automatically. 4. Share Device: This smart switch can have several control sites shared by different family members. One mobile phone can control many switches also. Plug Type: US Plug (suitable for Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan) / EU Plug (suitable for Indonesia, Germany, France, Spain, Italy) Voltage: AC110V / AC220V Color: As shown Material: Plastic + Metal Package Contents: 1*Tuya Smart 3.0 WiFi Gases Water Valve 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.