Smart Circuit Tester, 0.8V 100V Digital Test Light,DC Voltage Tester with Backlight Flashlight Measures Polarity Continuity, Automotive Fuse for Car Battery

Precise LED Digital Display & Probe Guard Protection - The automotive circuit tester features a clear and bright green backlight LED digital display that provides accurate volt readouts. It offers a 0.1V resolution ratio with high accuracy. In comparison to LCD displays, the green LED reading display is guaranteed to be clear and visible both during the day and at night. Features a thick probe guard to protect you from accidental stab wounds while helping make the spring wire easy to carry. Smart Mode - The digital automotive tester defaults to SMART mode. In the SMART mode, the meter can automatically measure and identify the AC/DC voltage, polarity, resistance, and continuity. It can automatically detect the measurement content and choose the optimal range for the highest precision, eliminating the need for any additional operations on your part! Wider Voltage Range - The smart automotive circuit tester with 0.8-100V DC voltage testing range, perfect for examining different electrical circuits in vehicles. Our upgraded technology allows for measuring a maximum voltage of 100V, surpassing the typical 60V maximum voltage capability of other auto electrical testers available on the market. Wide Usage & User-friendly - The digital test light allows for the fast test of automotive headlights, taillights, turn signal circuits, fuse connections, faulty sockets, as well as other 0.8-100V DC wirings and circuits. The premium 78.74-inch long PU spring wire provides flexibility and durability compared to standard cable wires and offers convenient use and storage. It features a large-sized alligator clip for effortless one-hand operation, ensuring improved working efficiency. Backlight LCD Display and More - The voltage tester pen for car equipped with a backlight LCD display and flashlight for a clearer reading and precise operation in dark place. You can press light key shortly to turn on/off the screen backlight and long press it to turn on/off the flashlight. The storage bag in the package makes it convenience to store when it is spare. We also offer you a 1-year guarantee.