Fangrui Product Details Adopt Arm -m3 Processor , And Include 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. Easy To Install And Operate. With Auto/normal/single Trigger Modes, Easy To Capture The Moment Waveform. Available Rising Or Falling Edge Trigger. Observable Previous Waveform Before Trigger(negative Delay). With Waveform Parameter Digital Display, Including Frequency, Period, Duty Ratio, Max./min./avg./-/virtual Values. 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 Beginner. Maximum Real-time Sampling Rate: 1msa/s Analog Bandwidth: 0-200khz Sensitivity Range: 5mv/-20mv/ Maximum Input Voltage: 50vpk (1x Probe) Input Impedance: 1m Ohms/20pf Accuracy: 12 Bits Record Length: 1024 Points Coupling Modes: Dc / Ac / Gnd Time Base Range: 500s/ - 10us / Trigger Modes: Auto, Normal, An