Description: 3 modes: This handheld oscilloscope features normal trigger, auto trigger and single trigger to meet your different needs. Output: This portable oscilloscope can provide a square waves that is 3.3V, 0-80Khz, and 0-100% duty ratio. Clear screen: This handheld oscilloscope is designed with a 2.4 inch LCD, the resolution 320x240, and can display information. Suitable occasions: This handheld oscilloscope is a good fit for car repair, home appliance repair, DIY study, and so on. Useful design: This portable digital oscilloscope supports type-c and also supports data transmission and charging. Specification: Power voltage: 5-6V/4-9V. Sampling ratio: 2.5MSa/s. Bandwidth: 200Khz. Voltage: X1：-40V(Vpp: 80V), X10：-400V(Vpp: 800V). Trigger method: Auto/Normal/Single. Coupler: AC/DC. PWM output: 3.3V, frequency: 0-80Khz, duty ratio: 0-100%. LCD screen: 2.4 inch, 320x240. Size(LxWxH): Approx. 65x60x18mm/2.56x2.36x0.71 inch. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: Type 1: 1 Piece Handheld Oscilloscope(with 1 Piece Pin Header, 1 Piece Charging Cable, 1 Piece Testing Line, 1 Piece User Manual). Type 2: 1 Piece Handheld Oscilloscope(with 1 Piece Pin Header, 1 Piece Charging Cable, 1 Piece Testing Line, 1 Piece User Manual, 1 Piece High Voltage Probe).