5 digit LED display ( including 3 digits for voltage) Frequency and amplitude display simultaneously Output waveforms: sine wave, square wave and triangle wave Frequency of output signal: 0.2Hz ~ 2MHz Duty cycle adjustable: 20% ~ 80% Width of output signal adjustable continuously Amplitude without attenuation: 0.9V ~ 10V Amplitude with -20dB attenuation; 100mV ~ 1V Amplitude with -40dB attenuation: 10mV ~100mV