Feature: 1. Touch Screen: The oscilloscope has a large multi touch screen with a resolution of 800 x 480, which is clear and easy to use. 2. 4 Channel Oscilloscope: The oscilloscope has the highest bandwidth of 250MHz, the highest sampling rate of 1GSa/s, the storage space of 8M, and the highest output frequency of 25MHz. 3. Strong Functions: Oscilloscope has data recording, storage, trend chart, statistical analysis and other functions, built in a variety of arbitrary waveform, convenient and fast. 4. Large Capacity Battery: Built in ultra large capacity lithium battery, durable battery life, standby for up to half a year, support Type C fast charge. 5. Humanized Design: The pendant foot design makes the oscilloscope can be adjusted from multiple angles, anti fall and earthquake resistance, with the use of the release. Specification: Item Type: Digital Tablet Oscilloscope Material: ABS Plug Voltage: AC100-240V Display Type: Diagonal 7in TFT LCD Display Resolution: 800 (horizontal) x 480 (vertical) pixels Display Type: Dot, Vector Waveform Brightness: Adjustable Grid Type: Solid line, dotted line, none Grid Brightness: Adjustable Screen Brightness: Adjustable Afterglow: 1s, 5s, 10s, 30s, infinite, off Standard Interface: USBHost, USBDevice Power Supply: AC100-240V, 50-60Hz DC Input: 5V3A, 9V2A, 12V1.5A Power Consumption: less than 8W Fast Charging: Support fast charging Battery: 4 x 3.7V rechargeable lithium batteries 2600mAh(built in) Operating Temperature: 0℃-50℃ Storage Temperature: -20℃-70℃ Humidity: ≤+104℉（≤+40℃）:Relative humidity≤90% 106℉-122℉（+41℃-50℃）:Relative humidity≤60% Cooling Method: Convection Altitude: When Operating and When Not Operating: 3,000m (10,000ft) Random Vibration: 0.31gRMS at 50Hz to 500Hz, 10 minutes per axial direction Non Operating: 2.46gRMS at 5Hz to 500Hz for 10 minutes per axial direction Mechanical Parts: Oscilloscope Size: Approx. 248 x 176 x 54mm / 9.8 x 6.9 x 2.1in (L x W x H) Horizontal Scale Range: 2ns/div-100s/div1, 2, 5 steps Incremental Time Measurement Accuracy (full bandwidth): Single, "sampling" mode, ± (1 sampling interval + 100ppm x reading + 0.6ns), > 16 times or more average, ± (1 sampling interval + 100ppm x reading + 0.4ns), sampling interval = sec/div ÷ 200 Vertical: AD Converter: 8 bit resolution, each channel sampled simultaneously Oscilloscope Vertical Scale Range: 2mV/div-10V/div at input BNC Vertical Resolution: 8bit Vertical Sensitivity Range: 2mV/div-10V/div Offset Range: ±1V (2mV/div-100mV/div), ±10V (: 200mV/div~1V/div), ±50V (2V/div~10V/div) Dynamic Range: ±5div (8bit) Optional Analog Bandwidth Limit, Typical: 20MHz, independently selectable per channel DC Gain Accuracy: ±3% FullScale Inter Channel Isolation: 40dB, DC to the maximum rated bandwidth of each model Acquisition: Sampling Rate Range: 1GSa/s Acquisition Mode: Normal, Average, Peak, High Resolution Waveform Interpolation: (sinx)/x Single Sequence: Acquisition Mode: Acquisition Stop Time Normal, Peak Detection: Single acquisition for all channels at the same time Average: All channels simultaneously N acquisition, N can take the value of 2, 4, 8, 16, 32, 64, 128, 256 Storage Depth: 8Mpts Trigger: Mode: Auto, Normal, Single Level: CH1-CH4 from the center of the display ± 4 divisions Release Suppression Range: 8ns-10s Trigger Level Accuracy: CH1-CH4 / CH1-CH2 Trigger Sensitivity: ±0.87div(2mV/div), ±0.78div(5mV/div), ±0.69div(10mV/div), ±0.52div(20mV/div), ±0.47div(50mV/div), ±0.26div(100mV/div), ±0.26div( 200mV/div), ±0.47div(500mV/div), ±0.26div(1V/div), ±0.26div(2V/div), ±0.26div(5V/div), ±0.26div(10V/div) Edge Trigger: Slope: Rising edge, falling edge, double edge Data Source: CH1-CH4 / CH1-CH2 Pulse Width Trigger: Polarity: Positive polarity, negative polarity Conditions: , =, = Data Source: CH1-CH4 / CH1-CH2 Pulse Width Range: 8ns-10s Video Trigger: Signal Standard: NTSC, PAL, HDTV720p, HDTV1080p, HDTV1080i Data Source: CH1-CH4 / CH1-CH2 Synchronization: Scan line, line number, odd field, even field, all fields Slope Trigger: Slope: Up, Down Conditions: , =, = Data Source: CH1-CH4 / CH1-CH2 Time Range: 8ns~10s Timeout Trigger: Data Source: CH1-CH4 / CH1-CH2 Polarity: Positive polarity, negative polarity Time Range: 8ns-10s Input: Number of Channels: 4 analog channels Input Coupling: DC, AC or ground Input Impedance: 1MΩ±2% Input Capacitance: 18pF±3pF Probe Attenuation: 1X, 10X Support Probe Attenuation Factor: 0.01X-10000X Voltage Level: 30