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 * 0.7in Package including: 1 * Battery Tester with Two Clips