... easy carrying High performance battery for long time operate Features:Digital oscilloscope and multimeter, 2 in 1Compact design for easy ... ~1.5sMath+, -, x,÷FTTMEASUREMENTCursorVoltage difference ( V) between cursorsTime difference ( T) between cursorsAuto measureVrms, Varg, Vp-p, Vmax, Vmin, Vtop, Vhigh ... 2, logic analyzer probe, LAN module(option), GPIB(option) DQ4025C - Digital storage oscilloscope