Features:Great industrial design, the high quality anodized aluminum case is extremely durable and heat-resistant.Standard USBXI(TM) interface, easily inserts into USBXI(TM) housing to make up a combination instrument.USB2.0 interface, no external power source required, easy to use.Be suitable for notebook computer, product line maintenance, be used easily on business.High performance, 48MSa/s real-time sampling, 20MHz bandwidth.Operating system: Windows 7, Windows NT, Windows XP ,VISTA.More than 20 kinds of automatic measurement functions.Intensity, invert, addition, subtraction, multiplication, division, X-Y plot.Saves waveform on screen in JPG/BMP, Excel formats.FFT spectral analysis function.One computer can connect many DSO, extend channel easily.