This is a intelligent circuit breaker, with this tool, you can achieve remotes control and viewing at any time from anywhere by Tuya APP on your mobilephone. There are 3 different timing modes for you to use: Timing mode, countdown mode and loop timing modes. Tuya APP Control: With this tool, you can achieve remotes control and viewing at any time from anywhere by Tuya APP on your mobilephone. Devices-Interlock Mode: With this tool, you can monitor the usage of all time equipment, you can use remotely control, timing control to make your home more intelligent. Three Timing Modes Device: There are 3 different timing modes for you to use: Timing mode, countdown mode and loop timing modes. More Intelligent Scenarios: The timing mode can be used before you go home from get off work, you can set the lights on at 18:35. The countdown mode can be used after you fall asleep, such as turning off the lights after 15 minutes. The loop timing mode can be used before waking up or after going to work. You can set to turn on the lights at 6:30 and turn off the lights at 9:30. Voice Control: This tool is compatible with Alexa and Google Home intelligent voice assistants to achieve voice control and free your hands. Specifications: Name: Circuit Breaker Material: PA66 Rated current: 10A, 16A, 25A, 32A, 40A, 63A (optional) Protocol: Wifi (Default) Rated operating voltage ranges: 90V-240V Item size: 82 * 50 * 18mm / 3.23 * 1.97 * 0.71in Package size: 85 * 60 * 30mm / 3.35 * 2.36 * 1.18in Package weight: 125g / 4.41ounce Packing List: 1 * Circuit Breaker