1Powerful Protection: The parasitic battery tester adopts in line fuses design which can protect both the meter and tester in the event a high current source on the vehicle is left on. 2Drain Isolation: The tester and meter can keep being connected until other computer systems shut down, effectively isolating the battery drain. 3Voltage Measurement: The parasitic battery drain tester allows measure voltage on various locations on your vehicle during the draining test with standard test leads. 4Match to Use: Parasitic current tester can diagnose hidden battery drain with a simple method to connect a multimeter to the vehicle electrical system. 5Universal Tester: The fuse parasitic battery tester is extensively applicable to various kinds of models, especially yours, you can purchase at ease.