12V Auto Car Digital Battery Alternator Tester six LED Lights Display Diagnostic Tool for Cars Motorcycle Batteries hundred Brand new Alternator state check. Battery state check. Battery overload display. 6 LED display, clearly present the alternator and battery state. 2 testing clips for easy and safe operation. Match for car, etc, motorcycle. Perfect for 12V lead acid batteries, hardtop batteries, discharge batteries and maintenance totally free batteries heavy duty insulated clamps. Safe and easy to use, absolutely no sparking. With a good chip inside, not easy to get sexy on the outside. LED quantity six two white, three green and one yellow Material of wire 0.06square millimeter copper Max. voltage and current 12V 15A Length of wire 25cm / 9.84in Battery tester size twelve 5.2 1.8cm or 4.7 two 0.7in Functions Improve driving safety Material Plastic, Copper Color Gray