The EX655 is a 600A true RMS AC/DC clamp meter. This clamp meter also measures AC/DC voltage, resistance, capacitance, frequency, temperature, has a continuity/diode test and an NCV detector. The EX655 features a 30mm (1.18") jaw size that can accommodate conductors up to 350M circ. mils. This meter also features a 6000 count backlit LCD display, reading memory, min/max, relative function, low pass filter, start-up mode, DC zero function, LCD trend bar graph, auto power off and a convenient LED work light. Complete with test leads, universal flexible temperature probe, user manual and 3 AAA batteries.