Feature: 1. HD Display: Equipped with a 2.8 inch high resolution color screen, this digital oscilloscope offers an exceptional user experience in a compact, pocket sized design for portability. 2. Rapid Sampling Rate: With an average sampling rate of 8.33MSa/S and a bandwidth of 1MHz, our oscilloscope ensures accurate and detailed waveform representation for all your measurements. 3. Versatile Triggering Options: This oscilloscope features complete triggering capabilities single, normal, and auto modes, allowing you to analyze periodic analog and digital signals effectively in any situation. 4. High Voltage Measurement Capability: Capable of measuring voltage signals up to ±400V, this oscilloscope is suitable for testing a variety of electrical components and systems safely and efficiently. 5. Efficient One Touch Measurements: Featuring a high efficiency 1 touch automatic measurement function, our oscilloscope delivers waveform measurement results instantly, eliminating the need for complex adjustments. 6. Simple Probe Calibration: Utilizing a 1KHz calibration square wave, this oscilloscope allows for easy and convenient probe calibration, ensuring dependable measurements every time you use it. Specification: Item Type: Handheld Digital Oscilloscope Sampling Rate: 8.33MSa/s Bandwidth: 1MHz Vertical Sensitivity: 10mV/Div - 10V/Div Time Base Range: 3us - 10s Voltage Range: X1: ±40V (VPP: 80V) X10: ±400V (VPP: 800V) Trigger Mode: Auto, Timing, Single Trigger Edging: Rising Edging, Falling Edging Coupling Mode: AC DC Screen Size: 2.8 inch 320x240 USB Charging: 5V 1A Battery: Rechargeable Li Battery 1200mAh x 1 [Shipped with built in battery] . Package List: 1 x Oscilloscope 1 x Test Clip 1 x Test Probe 1 x Instruction Manual