DDS Function Signal Generator Sine Square Triangle Sawtooth Wave Low Frequency LCD Display USB Cable DC9V 1Hz-65534Hz

Features:
Portable --- Small size, powered by DC 9V, easy and portable for use.
DDS frequency range --- 1Hz-65534Hz, high-speed frequency (HS) output up to 8MHz.
Adjustable --- DDS signal amplitude of the offset amount can be adjusted separately by two potentiometers.
Wide DDS signals --- sine wave, square wave, sawtooth, reverse sawtooth, triangle wave, the ECG wave and noise wave.
Easy Use --- LCD display for clear reading, intuitive touch buttons. The power automatically restore the last used configuration.
Function:
UP output waveform select
DOWN output waveform select
LEFT output frequency -
RIGHT output frequency +
STOP / START the output stop / start
UP key waveforms order:
ECG = electrocardiogram wave (in the OFF state, the left and right keys to set the output frequency. Middle button start, all of the following waveform set)
Rev Sawtooth = reverse sawtooth
SawTooth = sawtooth
Triangle = triangle wave
Square = square wave