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.Features: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.Specifications:Material: ABSMain color: grayDisplay: LCD display, 128*64dot-matrix graphics, 4000 countsLCD size: 60 * 40mm / 2.4 * 1.6inBacklight: whitePower: 3 * 1.5V AA battery (not included)Input resistance: 10MAuto 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 groups