Item Name: for Automotive Battery Testing Parasitic Drain Tester Voltage Diagnostic Tool. The tester and meter can remain connected until other computer systems shut down, isolating the drainFunctions: Provides an Easy Method to Connect a Multimeter to the Vehicle Electrical System to Diagnose Hidden Battery Drain.The multimeter is bypassed with the switch during connection in case of a power surgeReplaceable in-line fuses protect both the meter and tester in the event a high current source on the vehicle is left on
