Features 1、Practical Uses: This digital voltage meter can also measure current, power, impedance, power consumption, etc. 2、High Accuracy: Has a wide measuring range for all the data, the ammeter ensures high accuracy in the measurement. 3、Clear Display: The large and clear LCD display screen has backlight function, making the reading more convenient. 4、Alarm Function: Comes with voltage alarm and overload alarm function, so the operation is very safe and reliable. 5、Easy Operation: Battery and time button reset function with power down data storage function enables easier using. Specification Item Type: Digital Voltmeter Model: J6-20A Current: Range: 0-20A; Display Format: 6.0-200A; Power: Range: 0-4kW; Display Format: 0.00-999W within 1kW, 1.00-4.00kW above 1kW; Power Consumption: Range: 0-999kWh; Display Format: 0.0-99.9kWh within 100kWh, 100-999kWh above 100kWh; Time: Timing Range: 0-999 hours (no load no timing); Format: 999:59 (overflow then return to zero); Package List 1 x Digital Voltmeter 1 x User Manual