Upgraded Mini Oscilloscope : 320*240 resolution color TFT LCD display, ARM+FPGA+ architecture, with 18M bandwidth and 40M sampling rate, more stable and with higher precisions, easily cope with measurement tests in fields. Various performances are far superior to the 138 Pro oscilloscopes on the market. Professional Designed : 154 Pro oscilloscope configured 3 trigger modes, auto/normal/single, 2 trigger types, rise/fall, 2 trigger level, manual/auto. 14 measurement available. Support waveform parameter setting,such as time base, amplitude, etc. Signal Generator : 154 Pro oscilloscope can output voltage 3V, frequency 0-500KHz adjustable, the accuracy is up to 0.1Hz. The duty cycle adjustment-range is 1%-99%. It can be used to calibrate new probes, drive mosFETs, replace crystals, etc. Detailed Analysis : After stopping, you can move the waveform left and right, find the place of your interest to expand (adjust the time base) to observe the details and analyze the cause of the problem. Suitable for mcu debugging, automotive repair, home appliance repair, power supply debugging, inverter, etc. & Portable : Built-in rechargeable lithium battery,1000mAh capacity, fully to provide long working hours. Compact size, can be used as a portable tool for field debugging. Package List : 1 * 154 Pro Digital Oscilloscope , 1 * 10X High Voltage Probe , 1 * Typc-C cable , 1* alligator clips , 1* English manual Colour:As Shown Material:Metal Package Contents: 1 set x oscilloscope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.