LED display indicates condition, for 12V battery only Check before Charge: Battery is alive, "OK" to be charged Alternator check : accelerate your engine to 2000 rpm when the green light is lit ,charging circuit is ok Battery check: indicate the percentage charging in the battery Cranking check : red light indicates voltage from Alternator over-high Easy and safe to operate Perfect for regular check of an generator's performance and a 12V lead acid battery's condition More Details: Material:High quality ABS Voltage: 12V 6 LED:2 Red, 3 Green and 1 Yellow Size:12.4*5.1cm Wire Length:25cm Wire made of copper inside Clamp:2PCS (black one and red one) Package Included: 1 x Digital Car Battery/Alternator Tester

• Material:High quality ABS
• Voltage: 12V

Material:High quality ABS-