Feature 1 Quick Testing: This battery tester can quickly and roughly test the cold starting power of battery according to its capacity if you don't know the parameter. 2 Accurate Detection: Input accurate cold start current reference parameter of the tested battery, used as the basis for judging the battery for accurate test. 3 Universal Use: This battery tester is universal for DC12V and 24V battery, has a strong practicability and wide range of applications. 4 Flashlight Function: Long press ESC button to turn on the flashlight for lighting, so as to easily find the line position. 5 Backlit Screen: The digital display screen with backlit function enables you to see the screen values clearly in a dark environment.Item Type: Car Battery TesterMaterial: ABSColor: Black, redApplication: DC 12-24V batteryWire Total Length: Approx. 72cm/28.3inCrocodile Clip Opening: Approx. 21mm/0.8inBacklit Screen: LED digital LCDFlashlight: LED high brightness bulbPurpose: Battery detection Package List1 x Car Battery Tester (Integrated Pen and Meter)1 x Manual