Functionalities: Synchronous mode: Auto, Normal, Single, None, Scan Rising/Falling edge trigger Modes of vertical precise, horizontal precise measurement and triggering threshold Auto Measurement: frequency, cycle time, duty cycle, DC RMS voltage/Vpp /Vmax/Vmin/Vavg Inbuilt signal generator/10Hz-1MHz square wave (duty adjustable) or 10Hz-20KHz Sine/Square/Triangle/Sawtooth wave. Specifications: Max sample rate:10Msa/s Analog bandwidth:1MHz Max sample memory depth:8K Analog input impedance:1M? Max input voltage:±40V(X1) Coupling:AC/DC Vertical sensitivity:20mv/Div10V/Div (1-2-5) Horizontal sensitivity:1uS/Div2S/Div(1-2-5) Product parameter: Inbuilt 8MB U disk storage for waveform data and images Internal 550mAh Lithium battery, Recharging through Micro USB port 2.8 Full Color TFT LCD Display(320X240 pixels) Dimension (100mm X 56.5mm X 10.7mm).