1000 AMP AC+DC TRUE RMS CLAMP METER. AC and AC+DC voltage measurements with digital low pass filter for accurate readings on variable frequency drives. Also measures DC voltage, resistance, capacitance and frequency. Tests continuity and diodes. Flashlight inside clamp jaw for easier work in dark locations. Backlight & relative mode for added versatility. Peak-RMS measures motor inrush current. AmpTip™ increases accuracy on small wires and low current.