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