... color display 4.with USB interface MCH USB Oscilloscope, DS-2025CA Digital Oscilloscope, 25MHz freq. ,dual channelSpecifications: SpecificationsDS ... divVertical resolution8bitMax. input voltage400V(DC+AC peak),5Vrms@50ΩAuto measurementsVpp, Vamp, Vrms, Vmin, Vtop,Vbase,Vbase, ... Specifications are subject to change without prior notice. DS-2025CA USB Oscilloscope, 25MHz freq.,dual channel digital ...