Triplett 9055 DMM Compact Digital Multimeter is designed to measure AC/DC Current, AC/DC voltage, capacitance, diodes, resistance, temperature, frequency, sound, light, continuity, and relative humidity. The Triplett 9055 features 53 measurement ranges, low battery indication, an over-sized 4000 count backlit display, overload protection, voltage range up to 1000V, and more. The Triplett 9055 is a very feature packed unit great for security, home theater, electrical, HVAC, you name it. With over 53 measurement ranges and and voltage range up to 1000V, the Triplett 9055 is a truly capable multimeter.