Digital ing LCD display with backlighting, real-time display of test voltage, large font for easy reading of data. 3-72VDC line voltage test, and can be used for 6/12/24/48V automotive electrical system. Support line short circuit test, open circuit test and wire location test. LED indicator lights indicate the positive and negative polarity, with LED light for easy illumination and use when measuring in dark environments. The cable can be extended to 3.6m, and with a loss-proof protector for probes. Features: Concise Appearance: Compact size, easy to carry design makes it does not occupy too much space, take it with you to say goodbye to the traditional heavy and difficult to carry. The cable can be extended to 3.6m, and with a loss-proof protector for probes. Digital LCD Display: Digital ing LCD display with backlighting, real-time display of test voltage, large font for easy reading of data, and can be used for multiple measurements in complex environments. Voltage Test: Supports 3-72VDC line voltage test, and can be used for 6/12/24/48V automotive electrical system. Multifunction Design: Support line short circuit test, open circuit test and wire location test. LED Indicator: LED lights indicate the positive and negative polarity, with red indicating positive polarity and green indicating negative polarity. Illumination Function: Includes flashlight for easy illumination and use when measuring in dark environments. Wide Applications: It can be widely used in electrical testing, automotive repairing, and more home electric appliance improvements, industrial electrical maintenance, etc. Specifications: Name: Automotive Wiring Tester Material: plastics+metal Testing voltage ranges: 3-72V Working voltage ranges: 6/12/24/48V Resolution: 0.1V Accuracy: 3-4V±0.5V; 4-60V(1%+3digits) Working temperature: 0-50 Working humidity: 80% Package size: 140 * 40 * 35mm / 5.51 * 1.57 * 1.38in Package weight: 257g / 9.07ounce Packing List: 1 * Automotive Wiring Tester