Description Features & Benefits: U/L listed for safety and quality. 10 MegOhm circuitry prevents damage to sensitive automotive electronics. Includes wrist-mounted band, stand and lead holders to free up hands for testing. Household uses include: outlets, fuses, wiring, general-purpose batteries, electronic hobbies and more. Automotive uses include: automotive circuits, breakers, wiring, vehicle battery & charging systems, electrical components and more. Your personal home & auto electrical tester. Use this versatile and affordable tester to safely and accurately troubleshoot a variety of automotive and household electrical problems.