USB Oscilloscope: 1.25MHz bandwidth, max.250MHz 2.500Ms sample rate 3.2channle, ... display 4.with USB interface MCH USB Oscilloscope, DS-2025CA Digital Oscilloscope, 25MHz freq. ,dual channelSpecifications: SpecificationsDS-2025CAChannels2+Ext.TriggerBandwidth25MHzRising time13 ... without prior notice. DS-2025CA USB Oscilloscope, 25MHz freq.,dual channel digital oscilloscope