Features and specifications: Specifications: Maximum real-time sampling rate: 1 MSa/s Analog bandwidth: 0 - 200 KHz Sensitivity range: 5 – 20 mV/div Maximum input voltage: 50 Vpk (1X probe) Input impedance: 1M ohms/20pF Accuracy: 12 bits Record length: 1024 points Coupling modes: DC / AC / GND Time Base Range: 500s/Div – 10us / Div Trigger modes: Auto, normal, and single Trigger position: Center of buffer Supply voltage: DC 9 V (8 – 10 V) Current consumption: ~120 mA @ 9 V Main board size: 94 x 65 mm (3.7 x 2.56 in) Analog board size: 65 x 47 mm (2.56 x 1.85 in) Screen size: 52 x 40 mm (2 x 1.57 in) Package size: 14.5 x 10 x 3.7 cm (5.7 x 3.94 x 1.45 in) Package weight: 179 grams (6.33 oz) Key features: Adopts ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen Used for secondary development on the basis of this kit, for example, it can be changed to millivoltmeter, data loggers Come with instructions, easy to install and operate Auto/normal/single trigger modes, easy to capture the moment waveform Available rising or falling edge trigger Observable previous waveform before trigger (negative delay) Can freeze waveform display at any time (HOLD function) Waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values Waveform storage function: Will not lose the waveform after powering off Short-circuit and open-circuit detection: Can help the user find out the soldering error TFT controller recognition function The SMD has been soldered, more suitable for electronic beginners