The Tuya WiFi Switch is a compact and easy-to-install device that allows you to control your light remotely using your smartphone or voice commands. Features: You can set the off or on time of the light, and also set a cycle on time period, such as turning on the light at 7am and turning off the light at 8am every day. Check the light on/off through your mobilephone, and control the light switch. Compatible with Google Assistant and Alexa, can be controlled with voice assistants for hands-free control. Positioning buckle design, easy to install and remove. Tunnel type connection port for safer wiring. Real time monitoring of electricity consumption, monitoring of electricity, voltage, and current informations through mobilephones. (Only STM-63M and TOB9-VAP have this function) Overvoltage and undervoltage protections function, which can set the voltage and current cutoff values. (Only TOB9-VAP have this function) Specifications: Type: ST-63T, STM-63M, TOB9-VAP (optional) Main color: white Main material: plastics Working voltage: 90/360V Working frequency: 50/60Hz Current: max. 63A Item size: 82 * 50 * 18mm / 3.2 * 2.0 * 0.7in Package size: 85 * 55 * 25mm / 3.3 * 2.2 * 1.0in Package weight: 120g / 4.2ounce Packing List: 1 * Switch