This battery tester, safe and easy to operate, has multiple functions: alternator state check, battery state check, check before charge and overloaddisplay, telling us the state of alternator and battery, thereby assuring our driving safety.Features:Multiple functions: alternator state check, battery state check, check before charge and overload display.6-LED display, clearly present the alternator and battery state.Two testing clips for safe and easy operation.Small size and light weight, convenient to carry.Fit car, motorcycle, etc., with 12V battery.Specifications:LED quantity: 6 (2 red, 3 green and 1 yellow)Material of wire: 0.06square millimeter copperMax. voltage and current: 12V 15ALength of wire: 27cm / 10.6inBattery tester size: 12 * 5.2 * 1.8cm / 4.7 * 2 * 0.7inBattery tester weight: 67g / 2.4ozPackage size: 25 * 14.5 * 2.5cm / 9.8 * 5.7 * 1inPackage weight: 110g / 3.5ozPackage including: 1 * Battery Tester with Two Clips