Superior Sampling & Bandwidth: Featuring a 2.5MS/s real-time sampling rate and a 500kHz bandwidth, this oscilloscope is perfect for handling both periodic analog signals and non-periodic digital signals with ease. High Usability for Professionals: Designed for the repair and sectors, this oscilloscope offers high utility and cost-effectiveness, making it a valuable tool for industry professionals and educators alike. Versatile Voltage Measurement: Capable of measuring voltages up to 400V, with efficient one-touch AUTO measurement, allowing users to display the waveform with no complex adjustments. Clear & Compact Display: Equipped with a 2.8-inch LCD screen with a resolution of 320x240, providing a clear view of waveforms in a compact and portable form factor. Long-lasting Power: Powered by a high-quality 400mAh lithium battery, ensuring around 3 hours of continuous use on a full charge, with convenient USB charging capabilities. Handheld Oscilloscope, 2.5MS/s Real Time Sampling Rate & 500kHz Bandwidth, BT-500K 2.8-inch Display Compact Oscilloscope Sampling Rate: 2.5MS/s Coupling Mode: Bandwidth: 500kHz Display: 2.8-inch, 320x240 resolution LCD Vertical Sensitivity: 10mV/-10V/ (1-2-5 progression) USB Charging: 5V/1A Time Base Range: 10us/-50s/ (1-2-5 progression) Lithium Battery Capacity: 400mAh Calibration Frequency: 1kHz Square Wave: Duty Cycle: 50% Voltage Range: X1 40V (Vpp: 80V); X10 400V (Vpp: 800V) Dimensions: 103 x 73 x 25 mm Trigger Modes: Auto/Normal/Single Weight: 100g Color: Orange Material: plastic Package Contents: 1 * Handheld Digital Oscilloscope Set 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.