This multi-meter is a general-purpose instrument designed for use in general electronics, home electrical applications, and automotive electrical and electronic systems. It has auto-ranging scales which eliminate the need to dial in the correct range when making electronic measurements. The 10-megohm input is safe for automotive and household uses like fuses, wiring, general-purpose batteries, and automotive circuits. It has a color-coded LED which displays a battery quick check, showing green for good, yellow for weak and red for replacement. It also comes with protective rubber corner guards for drop protection. This meter is designed to test AC or DC voltage, batteries, AC and DC currents, resistance, diodes, and continuity.