It's a highly efficient and cost-effective oscilloscope with 2 channels. The high quality anodized aluminum case is extremely durable and heat-resistant. The bandwidth is 20MHz and the sample rate is 48MSa/s.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.16 channels logic analyzer、 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.Specifications:Channel: 2 ChannelsBandwidth: 20MHz Max. Sample Rate: 48MSa/s Storage Depth: 1M Vertical Resolution: 8 BitImpedance: 1M 25pFCoupling: DCVoltage Range: 20mV-5V、 8Steps Vertical Accuracy: ?Ħ3%Timebase Range: 1ns-5000s、 39 Steps Vertical Adjustable: YesInput Protection: Diode ClampingX-Y: YesHorizontal Mode: Auto、 Normal and SingleTrigger Slope: +/-Trigger Level Adjustable: YesTrigger Source: CH1、 CH2Pre Trigger: 0-100% Sampling Selection: YesWaveform Display: Port/Line、 IntensityNetwork: Open/CloseCursor Measurement: YesMath: FFT、 Invert、 Addition、 Subtraction、 Multiplication、 DivisionCursor Display: Frequency、 VoltagePackage Size: 23 * 17 * 7.5cm / 9.05 * 6.7 * 2.95in (L * W * H)Package Weight: 724g / 25.54ozPackage List:1 * Oscilloscope1 * USB Cable1 * CD2 * Probes1 * User Manual (English)"