... easy carrying High performance battery for long time operate Features:Digital oscilloscope and multimeter, 2 in 1Compact design for easy carryingHigh ... ±(5%+10digits)(6nF, 6mF)±(4%+5digits)(other ranges)On/off√Diode√Power sourceAC: 100~240VACrms, 45~440Hz, CAT IIDC: 4h(DQ4025C ... 2, logic analyzer probe, LAN module(option), GPIB(option) DQ4025C - Digital storage oscilloscope