The MTD73A True RMS 800A AC Clamp Meter is a useful tool that allows you to safely test for electrical problems, motor’s condition and current on appliances. Equipped to test any electrical circuit without disconnecting any wires. Handy function includes a backlit LCD display and Flashlight for working in dimly lit areas. The NCV Non-Contact Voltage detector is useful for a quick check to see it voltage is present on circuit under test. Measures 0.001A to 800A AC, 0.1mV to 600V AC/DC, Temperature, Capacitance, Frequency, Resistance, Continuity buzzer and Diode Test. This 800A AC Clamp Meter has a 28mm Jaw opening and accessories include test leads, temperature air probe and carrying case. Accessories • Carrying Case • Test Leads • Air Temperature Probes • Instruction Manual Features: • Measures AC Current, AC Voltage, DC Voltage, Temperature, Capacitance, Frequency and Resistance • Measures AC current to 800 Amps without breaking the circuit • Resolution to 100mA AC Current • 28mm conductor size • 4000 count LCD display with backlight • Continuity and buzzer test • Data hold and Duty Cycle function • Auto power off • Low battery indication • CAT III 600V