Item specifics: HTN wide view LCD with green backlight, can display voltage, current, energy, power Power and energy direction display function: reverse/forward direction Built-in shunt design Energy data and backlight status can be saved when power off 1. Tension Measuring range: 0-300V(independent power supply DC 5-12V)/8-300V(direct power supply) Display format: <10V display such as: 1.00V <100V display such as: 10.0V >=100V Display e.g.: 100V Note: When the measured voltage is less than 8V, the meter must be connected to an independent power supply when the measured When the measured voltage is greater than 8V, the meter can be connected to an independent power supply or not connected to the power supply. 2. Current Measuring range: 0-300A (200A, 300A optional) Display format: <10A display such as: 1.00A <100A display such as: 10.0A Start of measurement: 0.02A >=100A Display e.g.: 100A 3. Performance Measuring range: 0-90kW Display format: <10W Display such as: 1.00W <100W display such as: 10.0W <1000W Display e.g.: 100W <10000W Display e.g.: 1.00kW >=10000W Display e.g.: 10.0kW 4. Energy Measuring range: +/- 0-999kWh Display format: <1kWh display such as: 100Wh <10kWh display such as: 1.00kWh <100kWh Display e.g.: 10.0kWh <1000kWh display like: 100kWh In the event of an overflow, the data is retained unless you reset it. Note: 1Wh=0.001kWh Package include: 1 * 0-300V DC meter 2 * wires 1 * manual Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement.