Type: car fault diagnosis instrumentDetection system: batteryPower supply voltage: 12-24 (V)Model: BST500Features：Simple, secure , fast , and accurate display test results ( the test takes about 3 seconds).Eight lines with backlight LCD display and humane language prompted interface.Does not emit light , no heat , no discharge , no spark , no operating dangerous.Automatic temperature compensation function With ripple voltage test function .Removable replacement test line.Package includes:1 x Battery Tester Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3 cm measuring deviation due to manual measurement.Test mini battery.Move the battery tester between the two points of the battery.The easy-to-read display will tell you immediately if there is a fault, or if you can use a few minutes to extend battery life, a battery tester can be used to test the following items: