AT4PW 100A Tuya WIFI Din Rail Smart Switch Remote Control Digital Power Energy Volt Amp Kwh Frequency Factor Meter Smart Energy Meter Timer ,Overload Protection

The buzzer and the interface display double alarm, the electricity consumption is safer. over-voltage, overcurrent and under-voltage display alarm and automatically power off it is installed on a universal 35mm standard rail, no screws are required, and the installation is convenient and convenient. go out, wherever you go, you can control the product without wifi around simple design, easy installation and easy operation you can set switching time of electric appliances without manual operation.