Smile In Face Is The Most Beautiful Flower.This battery tester， safe and easy to operate， has multiple functions: alternator state check， battery state check， check before charge and overload display，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: 16cm / 6.3inBattery tester size: 12 * 5.2 * 1.8cm / 4.7 * 2 * 0.7inPackage including:1 * Battery Tester with Two Clips