Real-time of energy consumption kWh voltages, current and power, current measuring ranges: 0.2-80A.Support automatically set values and push notifications. Can monitor most home appliances, real-time of power consumption and statics the amount of electricity at any time to save money. Easy Installation: 35mm guide rails installation. none need to change wires to connecting more securely, just put wires into the clips to measure. voice control. Check the operating condition of devices at any time through the application to ensuring the of electricity consumption. You can set the power or current value in APP, and the device will starts working only when the power or current exceeds the value.