Features: Direct power supply: measuring range: for DC 8-300V, Single power supply range: DC5-12V, Measuirng range: for DC 0-300V. Electric vehicle voltmeter with round VA LCD screen, white characters on black background, high contrast, clear display with large font size. Separate wiring terminals independently, wiring is simple and will not interfere with each other. With for stronger anti-interference, strong and weak current circuit board, independent installation. Built in voltage reverse connection for protection, safer and more applicable. Easy to connect, no screw elastic connection, tightly pressed, no damage to the LCD. Suitable for electric cabinet, display cabinet, PHOTOVOLTAIC system, assembly line testing, LED system & automotive electronics. Specifications: Material: ABS Length: 58.5cm/2.3in Accuracy: ±1% Direct power supply: measuring range: for DC 8-300V Single power supply range: DC5-12V Measuirng range: for DC 0-300V Package Includes: 1X Voltage Meter note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.