1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.1.Bandwidth : ACV/DCV/ACA/DCA 20kHz , 200k high-speed A/D sampling.2.High Definition Display Screen.Digital multimeter with 41-segment analog bar display,200k high-speed A/D sampling,4000 counts auto-range(can be selected manually), one-button switch of graphical waveform display during measurement.3.High reliability with panel calibration technology and memory calibration, sparing the need for adjustment with potentiometer.4.Storing 100 sets of data and 10 waveforms independently.Capable of holding waveform and data during measurement,easy to view and analyze.5.Realizing one-button automatic waveform capture,operator-friendly to learn and operate.Effectively eliminating lead resistance, distributed capacitance orinterference signals with relative value measurement (clearing).Display: LCD display, 128x64dot-matrix graphics, 4000 countsLCD size: 60 x 40mm / 2.4 x 1.6inPower: 3 * 1.5V AA battery (not included)Input resistance: 10MohmAuto sleep: yes (the meter automatically auto sleep in 15 minutes without any operation of button)Power consumption: about 40mAStorage capacity: data: 100 groups, waveform record: 10 groupsOperation environment: 0Celsius+40Celsius; Less than 75%RHStorage environment: -10Celsius+60Celsius; Less than 90%RHColour:black+greyMaterial: ABS Size:160 x 83 x 32mmPackage Contents:1 x Multimeter Oscilloscope(Without dry battery)1 Pair x Test PensOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error i