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 R&D 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. BTMETER Handheld Oscilloscope, 2.5MS/s Real Time Sampling Rate & 500kHz Bandwidth, BT-500K 2.8-inch Display Compact OscilloscopeSampling Rate: 2.5MS/sCoupling Mode: AC/DCBandwidth: 500kHzDisplay: 2.8-inch, 320x240 resolution LCDVertical Sensitivity: 10mV/Div-10V/Div (1-2-5 progression)USB Charging: 5V/1ATime Base Range: 10us/Div-50s/Div (1-2-5 progression)Lithium Battery Capacity: 400mAhCalibration Frequency: 1kHzSquare Wave: Duty Cycle: 50%Voltage Range: X1 40V (Vpp: 80V); X10 400V (Vpp: 800V)Dimensions: 103 x 73 x 25 mmTrigger Modes: Auto/Normal/SingleWeight: 100gColor: OrangeMaterial: 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 measure