This is a kind of quality intelligent leakage-protecting switch, that integrates an overvoltage protector, undervoltage protector, and overcurrent protector leakage protector. When over-voltage, under-voltage, over-current, or leakage occurs in the line, this product can immediately cut off the powersupply to prevents electrical equipment from burning. The over-voltage, under-voltage, over-current and leakage protections values of this product can be set by yourself. Features: Automatic Reclosing: Intelligently identify the leakage and when it occurs overvoltage and under voltage, the protector will automatically cutoff the powersupply, if the fault has been eliminated, it will automatically reclose and turn on the power. Mobilephone APP Control: After downloading the mobilephone Tuya/SmartLife APPyou can remotely control and view the status of the device whenever and wherever you want via the mobilephone APP. Whether you are on vacation, at work or home, you can enjoy the convenience of the mobilephone APP. APP Data Viewing & Electricity Metering: Support to view the load current, power, voltage via your cellphone. Record(year, month, day, hour) electricity consumption in different time periods. And with prepaid function. Multiple Protections: Designed with leakage, short-circuit, over-current, over-voltage, under-voltage protections, etc. Safer to use. APP Parameter Adjustment: With the under voltage, overvoltage, overcurrent, reclosing time, leakage current, and temperature adjustment functions. Timing Schedule Function: There are 3 different timing modes for you to use, you can adjust to Timing mode, countdown mode and loop timing mode according to your demands. Voice Control: High compatibility, compatible with Alexa and Google Assistant for voice control, , freeing your hands and making it easier to control the device, maximizing the comfort and economy of your home environment, you can enjoy the convenience of technology. Device Share Function: You can share with your family for common control. Suitable for home, office, shopping mall, hotel, etc. Specifications: Name: Circuit Breaker Rated current: 63A Item size: 18.3 * 87 * 71.4mm / 0.72 * 3.43 * 2.81in Package size: 94 * 21 * 73mm / 3.70 * 0.83 * 2.87in Package weight: 120g / 4.23ounce Packing List: 1 * Circuit Breaker