... √Diode√Power sourceAC: 100~240VACrms, 45~440Hz, CAT IIDC: 4h(DQ4025C), 3h(other)Dimensions(Wx Hx D)268x168x60mmWeight1.8KGAccessoriesOperation manual, power ... module 2, logic analyzer probe, LAN module(option), GPIB(option) DQ4025C - Digital storage oscilloscope