AUDIO GENERATOR ManualModel FAL-25FAL-25 Audio amp; Signal Generator capable of producing SINE, TRIANGULAR, PULSE, SERRATION and SQUARE Wave are able to monitor output signal by speakerFrequency Range :1Hz - 100Hz; 100Hz - 10kHz, 10kHz - 1MHzOutput Voltage MAX 5Vp-pOutput wave Sine, Triangular, Serration, Square, PulsePower Source 220VAC10%, 50Hz2Hz