Keysight Technologies U1401B Dual display with bright LCD backlight Simultaneous source and measure Bipolar voltage and current, square-wave, auto scan and ramp outputs Full-span DMM capability, including temperature and frequency measurements Hold and Min/Max/Average recordings Data logging to PC with optional IR-to-USB cable Built-in charging capability > Each Unit Includes Quick Start Guide Certificate of calibration(CoC) Calibrator/meter standard test lead kit Yellow test lead for mA simulation Protective holster Rechargeable battery pack AC power adapter and cord (according to country)