Highlights: Equipped with a 2.8-inch 320* 240 resolution high-definition LCD screen, real-timesampling rate of 2.5MS/s, 250kHz bandwidth, and complete triggering function (single.normal, automatic). lt can be easily used for both periodic analog signals and non periodicdigital signals, with a maximum voltage measurement of + 40V, and is equipped withefficient one button AUTO measurement. Oscilloscope parameters Display: 2.8”PPI: 320*240 Bandwidth: 250kHz Sampling rate: 2.5MS/s Time base:10us/Div-50s/Div Vertical sensitivity:50S / div~10nS / div Voltage range:10mV / div~20V / div Trigger mode:1M ohm Trigger type: Auto / Normal / Single Maximum test voltage:Rising Edge / Falling edge Coupling method: DC/AC Calibration Square:Frequency: 1k; Duty Cycle: 50% USB charging:5V/1A Size:103x73x25mm Lithium battery capacity:400mAh Weight:100g