Feature: 1. Faster Sampling Speed: This handheld oscilloscope has a real time sampling rate of 5.0MS/s and a bandwidth of 1M. The 10X probe can measure up to 800VPP, equivalent to 280V AC, and can measure voltage of ±400V. 2. Professional Design: With full trigger function (AUTO, Normal, Single). Suitable for periodic analog signal and non periodic digital signal. 2.8 inch HD LCD display with 320x240 resolution. The Type C interface supports data transfer and charging. 3. Convenient to Use: This portable oscilloscope is already assembled and can be applied directly to avoid problems during the assembly and welding process. Suitable for the maintenance industry, research and development education industry. 4. Easy to Measure: Equipped with efficient one key AUTO setting for all parameters, supporting waveform display without the need for tedious adjustments. Long press the AUTO button to quickly calibrate the baseline, measure waveforms quickly, and improve work efficiency. 5. Longer Endurance: The car oscilloscope has a built in rechargeable lithium battery, a large capacity of 1000mAh, and can be applied continuously for about 4 hours when fully charged. 5V 1AUSB charging, convenient for use anytime, anywhere. Specification: Item Type: Handheld Oscilloscope Model: DSO153 Sampling Rate: 5MS/s Bandwidth: 1M Vertical Sensitivity: 10mV/Div-10V/Div Time Base Range: 500ns-20S Trigger Mode: Auto, Normal, Single Trigger Edge: Rising Edge, Falling Edge Coupling Mode: AC DC Square Wave Frequency: 1K; Duty Cycle: 50%; Amplitude: 3.3V Signal Generator: Frequency: 0-10KHz Duty Cycle: 0-100(Square and Sawtooth Wave) Amplitude: 0.1-3.3V Waveform: Sine Wave, Square Wave, Sawtooth Wave Half Wave, Full Wave, Positive Step Wave, Inverse Step Wave, Noise Wave, Exponential Rise, Exponential Fall, DC Signal, Sink Pulse, Lorentz Wave Display: 2.8 inch, PPI: 320x240 USB Charging: 5V 1A Battery Type: 1 x 1000mAh Rechargeable Lithium Battery (Built in). Package List: 1 x Oscilloscope 2 x User Manuals 1 x Lanyard 1 x Crocodile Clip Cable 1 x USB Cable 1 x Probe Cable 12 x Accessories