Function: timer, can set 30 On/Off programs one day or per week.Count down time, from1 Min to 23 hours 59 MinsWith memory function, When the product contact is in the state, after the power failure, and then call, the product contacts still keep the state.Also can controlled by buttons from terminal Al and A2.Can be share with 20 peoples by Mobile App.In the App can display: Today Ele (K Wh), Current Ele (mA),Current Power (W), Current Voltage (V), Ele (KWh)Over current protection function:If the load is 16A,the product will cut off the load circuit automatically.NOTE: A ZigBee is required to workNote OrderThis item requires a ZigBee hub to work , if you already have it, 't need to buy , if you 't have it , buy it.Inrush current exceeding 16 amp will turn off the device.Make your load inrush current 't the 16 amp value.Product Name: ZigBee Smart Meter and TimerRated Voltage: 110-240VAC 50-60HzRated Current: 16AMounting: DIN Rail 35 mmSize: 86.5 x 17.5 x 70.5mm temperature range: -10- +60APP: Tuya, Smart LifeWireless Protocal: ZigBee 3.0color:WhiteMaterial:plasticPackage Contents:1 x Smart SwitchOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.