2.5MHz sampling rate, actual bandwidth 200KHz Analog bandwidth 1MHz (sine wave) It has complete triggering function (single time, normal, automatic), and can be used freely for both periodic analog signals and non periodic digital signals 400V voltage signal can be measured at most Equipped with efficient one-key AUTO, the measured waveform can be displayed without cumbersome adjustment. type:Digital Oscilloscope One button waveform saving function Sampling rate:2.5MHz Analog bandwidth:1MHz (sine wave) Actual bandwidth:200KHz Measuring voltage:X1/ 40V, X10/ 400V Input impedance:1M ohm Storage depth:1Kb Parameter display:12 types PWM output:frequency 1K-80KHz, duty 0-100%, output voltage 3.3V Function waveform:17 waveforms Output frequency:1-1KHz Voltage range Vpp 0-3.3V (not adjustable) Display:2.4 inch TFT, 320 * 240 resolution Charging voltage:5V Battery capacity:600mA/h 3.7V computer:temporarily not supported Firmware upgrade:supported Weight:180g(only ) Colour:Black Material:plastic+Metal Size:50cm wide and 100cm long (excluding BNC head) Package Contents: 1 * 1 pair * test clips 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.