DescriptionThis voltmeter ammeter has a handy connection and a wide application. For example, it can be applied to monitoring storage battery, DC adjustable power supply, or voltage and current changing state of other device.Features- Color: Black.- Size: 4.80X2.90X2.20cm/1.89X1.14X0.86 inch.- Material: Plastic.-Note: The color of the cable is random.- Applications: Suitable for automotive/electric car/motorcycles battery monitoring or other products voltage current measurement.- This voltmeter is 0.28 inch 3 digit high accuracy dual display, the display is bright and sharp.- When measuring current, the measured line provides power supply. Don't need an isolated power supply.- High accuracy voltage measurement with measuring line voltage drop compensation.- A good tool to monitor charging LI-ion batteries and electronics bench, etc.Specification- Voltage measuring range: 0-100V.- Current measuring range: 0-10A.- Working voltage: DC 4-30V.- Voltage error: 0.1%.- Current error: 1%.- Refresh rate: About 300ms/time.- Working current: <20mAh.- Operation temperature: -10-65.- Display color: Red and blue.Packing list: 1 x digital voltmeter