This professional oscilloscope has 320*240 LCD screen, so you can see the data more clearly, the back ID adjustable lighting, you can change it in different occasions, it also has 4 gears of wa-five square signal output function, and in small size, so you can take it to wherever you want to use it. Come and try. Features: With 320*240 LCD screen, so you can see the data more clearly. With 120MHz ana-log bandwidth and 500MS/s sampling rate. With the function of 4 wa-ve square signal output speeds: 1kHz, 10kHz, 100kHz, 1MHz. 12 kinds of parameter measurement: Vpp, Vrms , Vavg, Vp, Vmax, Vmin, F, T, T+, T-. Du +, Du-. Functions: a ke-y oscilloscope, three scanning modes: automatic, normal and single, 12 types of test data, can store 2500 waveforms, support thumbnail navigation. Parameters such as time base waveform, amplitude and trigger slope can be set by themselves. Protective silicone cover on both sides of the fuselage, anti- non-slip, anti-drop and anti-shock, feel comfortable. Small size and light, so you can take it to wherever you want to use it. Specifications: Material: ABS Screen: 320 * 240 LCD screen Impedance: * 1: 1M * 10: 10M Storage: 2500 forms DSO wave Use condition: 0C ~ +40, Recording length: 12div Package size: 190 * 140 * 45mm / 7.5 * 5.5 * 1.8in Package weight: 390g / 13.8 oz List Packing: 1 * Oscilloscope 1 * Probe 1 * User Manual 1 * USB Cable