Digital oscilloscope kit with touch screen DSO112   General features Model: DSO112 A pocket oscilloscope with a colors and touch panel. Analog bandwidth 2MHz and 5Msps max. sampling rate in real time. Unique slow rotating signal display, the display can be a signal completely Continuous mode, unlike SCAN mode will cause the signal to be displayed discontinuous. Vertical sensitivity : 2mV / Div, with high precision and low noise. Can save 24 groups of preset parameters, conveniently save and recall the waveform. Measurement frequency and Max./Min./Vpp/Avg.voltage values. Add function external trigger, greater signal acquisition capability PC loads waveform data. Freeze the waveform display at any time (HOLD function). The square wave test signal reaches 1000Hz / 3.3V.  Firmware upgradeable via Micro USB. Integrated smart charger powered by battery / USB. Technical characteristics Analog frequency bandwidth: 0-2MHz Max. real time: 5Msps Vertical sensitivity: 2mV / Div-20V / Total Div 12 degrees (via Progressive 1-2-5) Horizontal time base interval: 1s / Div-50s / Div 21 degrees (via Progressives 1-2-5)  Max.T input voltage: 50 Vpk (100 Vpp) Max. record length: 512/1024 Optional  Input resistance: 1M ohm ADC accuracy : 8 bit Coupling method: DC / AC Trigger type: Auto, Normal, Single Trigger Edge: rising / falling edge  Trigger Source: Internal / External External trigger voltage: 0-15 V Time cursors, can automatically calculate and display the time difference Voltage cursors can automatically calculate and display voltage difference Display: TFT color display Power supply: 3.7V 1200mAh Li-ion battery (not included)  MicroUSB charging interface Size: 68 * 78 * 18mm / 2.7 * 3.1 * 0.7in Weight: approx. 250 g / 8.8 oz