t16897 12v digital battery alternator tester with 6 led lights display car vehicle diagnostic tool

- 2-unit conversion, namely, psi and bar, its measuring range is 0 - 220 psi, 0 - 16 bar - inflation gun, chuck, and gauge are all combined in one easy to use unit alternator state check. battery state check. battery 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.