Note before order:Tuya ZigBee Gateway Is Required to Configure this Meter. Measure the two-way energy consumed and generated, ("from grid" and "to grid") Measure Exported/ energy, App monitor how much energy the solar and PV system produces, as well as its power consumption. Calibrated Meter, high accuracy - Each item is calibrated before delivery, to make sure high accuracy Rated Voltage:AC 100V-240V Measuring Range:0.1A - 150A Accuracy Class:1.0 Current Transformer calbe diameter:φ16mm cable Automation,set scenes to turn on,turn off device automatically Electricity Statistic and Quick Check Bills 1. App Monitor Current, Power, Voltage Real-time 2. Electricity Statistic by Hourly, Daily and Monthly 3. Quick check Daily Bill and Monthly Bill, Monitor your Daily monthly expenses by saving on money, energy and CO2. Colour:White Material:plastic Package Contents: 1 * Tuya Smart ZigBee Energy Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Smart ZigBee Energy Meter Two Way ZigBee Energy Meter Energy Meter