With 320 x 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 speeds of square -ve signal output: 1kHz,10KHz,100KHz,1MHz. 12 kinds of parameter measurement: Vpp, Vrms, Vavg, , Vmax, Vmin,F,,+,-. Du+, Du-. Functions: one ke-y oscilloscope, three modes: auto, normal and single, 12 kinds of test data, can 2500 waveforms, support thumbnail browsing. Waveform parameters such as time base, amplitude and trigger slope can be set by themselves. Silicone protective cover on both sides of the fuselage, anti-, anti-fall and shockproof, comfortable to feel. Small size and light, so you can take it to anywhere you to use it. Screen: 320 x 240 LCD screen Impedance: 1: 1M 10: 10M Storage: 2500 waveforms Use condition: 0C~ +40, Less than 75%RH Storoge condition: -10C~ +60, Less than 90%RH Vertical resolution: 8 bits Vertical accuracy: (5%+ 0.2div) Voltage accuracy:10% Frequency accuracy:1% : ELECTRICAL Record Length: 12div Display Size: 3.0 - 4.9 Inches Band Width: 100-349MHz color:As shown Material:ABS Package Contents: 1 x Oscilloscope 1 x Probe 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.