1)High performance, 150MS/s real-time sampling 2)60MHz Bandwidth. 3)USB2.0 interface, no external power source required Hantek DSO2150 PC Based USB Digital Storage Oscilloscope 2CH 150MS/s 60MH Features Specification Software: Operating system:Windows Me, Windows NT, Windows 2000,Windows XP, VISTA. SecondDesign: Supply DEMO code (VC/CVI/VB/LABVIEW) and technical support.