Tongou eWeLink Smart Circuit Breaker

• Works with normal electricity (up to 280 volts).
• Keeps track of how much power your devices are using: electric power (measured in watts), current (measured in amperes), and voltage (measured in volts).
• Designed to handle most of your devices (up to 63A, but best to use with less than 40A).
• Connects to your Wi-Fi (2.4GHz), so you can control everything from your phone.