feature:Output waveform: can output sine wave, square wave, triangle wave, forward sawtooth wave, reverse sawtooth wave, ECG wave, noise wave. High-speed square wave. Power supply: DC4~10V. It is recommended to choose DC5V when using the adapter, and 3.7V lithium battery is recommended when using the battery for power supply. Current: 160mA at 5V. DDS frequency range: sine wave 1Hz-500kHz (the output amplitude will decrease as the frequency further increases), other waveforms 1Hz-100kHz (but the upper limit of the adjustable frequency is not limited, if the distortion and jitter requirements are not high, the use frequency can be further increased ). High-speed frequency (HS) output up to 16MHz, selectable 1MHZ, 2MHZ, 4MHZ, 8MHZ, 16MHZ. The offset of the DDS signal amplitude can be adjusted separately by two potentiometers. All setting parameters can be saved, and the last used configuration will be automatically restored after power-on. Segmentable into values: 1, 10, 100, 1000, 10000Hz. A power adapter is included for power supply. The LCD display accurately displays the data.