Feature:1. 3 in 1: This meter has the functions of oscilloscope, multimeter and waveform generator, with 2.8in high resolution, high contrast color LCD, compact but with strong functions, suitable for outdoor use.2. Digital Multimeter: Digital multimeter is used to measure AC DC voltage current, resistance, diode, capacitance and on off test, with high sensitivity, high accuracy, clear display, strong anti overload capability.3. Long Battery Life: Powered by 4000mAh lithium battery, can be used for about 10 hours after full charged, with ultra low comprehensive power consumption, which is less than 3W.4. Excellent Performance: 80MHz Handheld oscilloscope has 2 channel 200Msps sampling rate, has two acquisition modes, high refresh, depth storage, automatic measurement, cursor measurement and saving functions.5. Waveform Generator Function: Feature 5Vpp, 3Vpp, 2Vpp, 1Vpp, 500mVpp, 200mVpp, 100mVpp, 0Vpp waveform amplitude range. The maximum length of single channel is 6K, of dual channel is 3K. With 8 bit vertical resolution and 1M input impedance.Specification:Item Type: Oscilloscope MultimeterMaterial: ABSScreen: 320 x 240 resolution, 2.8 inch TFT color screen (approx. 58x45mm/2.3x1.8in)Backlit Brightness: AdjustableBacklit Time: 30-120s (self settable), automatic dark screen in case of no operationBattery: 2 x 18650 2000mAh lithium ion battery (built in)Automatic Shutdown: 15-60min (self setting) automatic shutdown in case of no operationCharging Interface: Type CService Time: About 10 hoursData Record: Record 2000 DMM data and 200 OSC waveformsDigital Storage Oscilloscope Function:Analog Bandwidth: 80MHz Maximum Real Time Sampling Rate: 200MspsVertical Direction: 8bit Horizontal Square: 1bitNumber of Channels: 2 Coupling Mode: DC, AC, GNDInput Impedance: About 1MIndex: 4.0 in vertical direction and 6.0 in horizontal directionVertical Sensitivity Range: Input BNC, 10mV/div to 10V/div time base range: 5ns/div to 50s/div, 1 2 5 stepsVertical Wave Amplitude Accuracy: (5%+0.2div) Time Base Accuracy: (0.01+0.1div)Automatic Zero Reference: DC measurement Scanning Mode: Automatic, normal, singleTrigger Level: 4div (0.04div per level) Trigger Slope Selection: Rise, fall, doubleTrigger Position Adjustment: 4div (0.04div per stage) Automatic Setting: Automatic setting of time base and vertical amplitudeCursor Measurement Function: V, T Optional Bandwidth Limit: 20MHz, typicalVoltage Measurement Parameters: Vp-p, Vp, Vmaximum, Vmin, Vavg, Vrms Time Measurement Parameters: Frequency, period, +width, -width, +duty cycle, -duty cycleAutomatic Measurement Accuracy: (5%+0.2div) Record Length: Maximum 6K for single channel, maximum 3K for dual channelsSignal Source Characteristics:Waveform Frequency:Positive Wave: 1Hz to 5MHzSquare Wave: 10Hz to 1MHzTriangular Wave: 10Hz to 1MHzWaveform Amplitude: 5Vpp, 3Vpp, 2Vpp, 1Vpp, 500mVpp, 200mVpp, 100mVpp, 0Vpp.Package List:1 x Oscilloscope Multimeter1 x Storage Bag1 x Charging Cable2 x Manual4 x Test Pen1 x Screwdriver8 x Plastic Ring2 x Yellow CoverNote:To fully charge the battery, it takes up to 4.5 hours (when the device is turned off) or subject to charging indicator.