Accurately measures AC Current/Voltage, DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity, etc. This clamp meter is a really useful tool for solving industrial and household electrical issues Support Data Hold, Auto Shut-Down, True RMS measurement, Automatic/Manual, Continuity Buzzer, etc. The Backlit Screen and Flashlight make it easy to use in a dark working area Its slim and compact size makes it easy to operate in narrow spaces Function: True RMS measurement Relative value NCV measurement Automatic/manual Diode testing Continuity buzzer Low voltage display Data hold Backlight Flashlight Automatic shut-down Specifications: DC Voltage: 6V/60V/600V/1000V AC Voltage: 6V/60V/600V/750V AC Current: 6A/60A/600A Resistance: 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/40MΩ Capacitance: 60nF/600nF/6uF/60uF/600uF/6mF/30mF Frequency: 10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz Temperature: -20~1000℃ (0~1832℉) Duty cycle: 0.1%~99% Square wave output: 50Hz~5kHz Powered by: 2*AAA batteries (not included)