Description <br> Description: <br> Measurement and monitor the electrical parameters(voltage, current, kwh, watt). <br> Overload alarm function(more than watt alarm threshold, backlight flashing). <br> Power alarm threshold preset function(can set up their own power alarm threshold). <br> Power(kwh)button reset function. <br> When power off ,store the data, when on ,continue the date. <br> Large screen LCD liquid crystal screen full display function(voltage, current ,kwh,watt). <br> Backlight function. <br> Specification: <br> 1. Power Measuring Range: 0~2kW <br> Display formats less than 1kW: 0.0 to 999.9W <br> Display format more than 1kW: 1000~2000W <br> 2. kWh Measuring Range: 0~9999kWh <br> Display formats less than 10kWh: 0~9999Wh <br> Display formats more than 10kWh: 10~9999kWh <br> 3. Voltage Measuring Range: 6.5~100V <br> Display formats: 6.50~99.99V <br> 4. current Measuring Range: 0~20A <br> Display formats: 0.00~20.00 <br> KWH measurement is nonvolatile with power interruption. It can be reset to zero via reset button. <br> Operating Temperature: -10℃ ~65℃ <br> Operating Humidity: 10~85% RH <br> You can turn on/off the blue back light manually. <br> Material: ABS plastic <br> Specification parameter: <br> operating voltage: 6.5～100VDC <br> Test voltage: 6.5 ~ 100VDC <br> Rated power: 20A/2000W <br> Measurement accuracy: class 1.0 <br> Package Includes: <br> 1 Piece LCD Panel DC Power Meter <br> <br> Note: <br> 1. Suitable for indoor ,not outdoor <br> 2. should not exceed te rated power <br> 3. wiring can not be wrong <br>