Timing control: Set the time to automatically open or close the valve. Remote control: You're on vacation, In the company, Anywhere, You can freely control the smart valve. Voice control: Support FOR Google Home and Alexa voice control. What to do when there is no power?Pull the ring and do not release, you can move the lever to close or open the valve. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on. voltage: AC100-240V size: 15 x 7 x 10.5cm Material: ABS+metal colour: silver+black Package Contents: 1 x Valve 1 x English manual 1 x adapter 1 x Accessory kit 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.