INNOVA 4320 Digital Multimeter (10 MegOhm) Use this tester to safely and accurately troubleshoot a variety of automotive and household electrical problems 10 MegOhm circuitry prevents damage to sensitive automotive electronics Includes test lead holders for hands-free testing Household uses include: outlets, fuses, wiring, general-purpose batteries, electronic hobbies and more Automotive uses include: automotive circuits, fuses, wiring, vehicle battery and charging systems, electrical components and more