Feature: 1. Multiple Purpose: Inbuilt signal generator/10Hz-1MHz square wave (duty adjustable) or 10Hz-20KHz Sine/Square/Triangle/Sawtooth wave. 2. Built-in 500mAh lithium battery, adopts Micro USB interface for charging. 3. Powerful Performance, with modes of vertical range, adaptive horizontal and triggering threshold. Built-in 8MB U-disk storage for waveform data and images. 4. Synchronous mode: Auto, Normal, Single, None, Scan. Auto measurement: frequency, cycle time, duty cycle, RMS voltage/Vpp /Vmaximum/Vmin/Vavg. 5. Pocket size digital storage oscilloscope meets basic electronic engineering requirements. 320x240 Colorful TFT display, mini and compact. 6. Rising/Falling edge trigger, adjustable high/low trigger level and triggering sensitivity. Specification: Condition: 100% Brand New Item Type: Oscilloscope Material: Aluminium Alloy Color: As shown in the picture Weight: Approx.344g/12.1oz Sampling rate 10Msa/s (maximum) Analog channel signal bandwidth 1MHz Sampling storage depth 8K (maximum) Standard input impedance of analog channels 1MΩ Analog channel input voltage ±40V (maximum, X1 probe) Analog channel input coupling mode AC/DC Analog channel input sensitivity range 20mv/Div~10V/Div (1-2-5 step) Horizontal scanning time base range 1uS/Div~2S/Div (1-2-5 step) Function parameter Mode with Auto, Normal, Single, None, Scan synchronization mode Trigger mode with rising/falling edge trigger mode Settable mode can set adaptive horizontal, vertical range, trigger threshold mode Measurement signal Measurable signal frequency/period/duty cycle, RMS voltage/Vpp /Vmaximum/Vmin/Vavg Signal source Built-in 10Hz~1MHz square wave (adjustable duty cycle) or 10Hz~20KHz Sine/Square/Triangle/Sawtooth wave Source storage capacity built-in U disk storage capacity 8MB, can store waveform data and waveform images Battery Built-in 500mAh lithium battery, charged by Micro USB port Display color TFT LCD display (resolution 320x240) Host size 100x56.5x10mm/3.9x2.2x0.4in . Package List: 1 x Oscilloscope 1 x USB Charging Cable2 x Oscilloscope Probe4 x Color Ring1 x Socket Head Wrench2 x IC Caps2 x Ground Lead2 x Test Hook Hat Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.