Description: Featuring reverse protection, this battery detector prevents burnout caused by mishandling between the battery and cable terminals. Also, it comes with 6 LEDs that can visually display the status of the battery and alternator, which is very convenient. With its pure copper wires and clips, this battery detector has excellent conductivity and high sensitivity. It also has a non-slip design on both sides for flexible use even with gloves. It is constructed of ABS material. The length of this product is 118mm and the width is 43.9mm. And the length of the rope is 39cm. It is suitable for conventional immersion, AGM flat, AGM spiral, GEL, and deep cycle batteries for vehicles, forklifts, hybrids, SUVs, trucks, RVs, etc. Item Name: Battery Tester Material: ABS Features: Sensitive, Ergonomics, High-precision Voltage: 9V to 24V Display: LED Light Display Six LEDs Indicate Battery And Alternator Status, Green for Good/Full, Orange for Medium And Red for Low Size Details: 11.8cm x 43.9cm/4.65" x 17.28" (Approx.) Rope Length: 39cm/15.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Battery Tester 1 x English User Manual