Item Type: AC Digital Display Meter_x000D_Material: ABS_x000D_Model: SDM008_x000D_1. Voltage_x000D_Measuring Range: AC50~300V_x000D_Starting Voltage: 50V _x000D_Measuring Accuracy: +/-1%_x000D_2. Current_x000D_Measuring Range: 0~100A _x000D_Starting Current: 0.02A _x000D_Measuring Accuracy: +/-1%_x000D_3. Active Power_x000D_Measuring Range: 0~30kW _x000D_Starting Power: 0.5W _x000D_Measuring Accuracy: +/-1%_x000D_4. Electricity_x000D_Measurement Range: 0~1999kWh Overflow and hold, unless manually cleared _x000D_Measurement Accuracy: +/-1%_x000D_Installation: Rail Type 1Measure AC Voltage: Measure AC voltage, current, active power, electricity and display on the LCD screen. 2LCD Screen Display: This AC digital display adopts LCD screen display, which is more intuitive and clear at a glance. 3Backlight Controls: With backlight controls, the backlight can be turned on or off freely by pressing the button shortly. 4Power Reset: Press and hold the button for more than 3s until the battery flashes, release the button and short press again to reset the battery, otherwise the flashing will stop after 3s and the battery will not reset. 5Data Storage: This multi function digital meter has data storage function, which can be saved in the state of power failure and backlight. 1 x Multi Function Voltage Gauge 1 x Power Cord 1 x Chinese English User Manual 1. Suitable for indoor use_x000D_2. Suitable for AC_x000D_3. The measured voltage and current must not exceed the calibration range