Benning CM P2 True RMS digital current clamp. Digital display. 4-digit LCD display (4200 dots). With screen backlight. Current measuring range/DC 0.01 A - 400 A. Current measuring range/AC 0.01 A - 400 A. DC/AC current type. True RMS measurement (TRMS) yes Automatic measuring range selection. Automatic switch-off. Automatic battery undervoltage display.