... Generator,Counter,Digital Multimeter,DC Power,Audio Amplifier,5 in 1 universal systems TESTER1 Function Generator1.1 FeaturesWide frequency range,multi-waveform ... .1.2 Specifications1.2.1 Frequency range 0.1Hz~10MHz in 8 ranges 2 Counter2.1 Features With CPU and IC ... ,overvoltage and short-circuit,input and gain adjustable,INT/EXT speaker.5.2 Specifications5.2.1 Input:0.05Vrms~0.5Vrms5 ...