Features Support Signal: DDS function signal generator, supports sine, square, sawtooth, reverse sawtooth, triangular, electrocardiogram wave and noise wave. Reliable Performance: DDS function generator has good accuracy and frequency stability, supports oscilloscope scan time factor calibration, safe and reliable. Easy to Adjust: The DDS signal amplitude of the offset can be adjusted by 2 potentials respectively, easy to operate, and DDS frequency range is 1-65534Hz. Widely be Used: For signal transmission and reception, widely used in communication, instrumentation and automatic control system testing, etc. Convenient to Operate: The function signal generator has a compact structure, complete functions, equipped with USB cable, which is convenient to operate and carry. Specification: Item Type: DDS Function Generator Material: ABS Purpose: Signal sending and receiving Working Voltage: DC 9V DDS Frequency Range: 1Hz-65534Hz Offset: 0.5pp-5Vpp Amplitude: 0.5Vpp-14Vpp Output Impedance: 20-200 ohms Package List: 1 x Function Generator 1 x USB Cable  Package List 1 x Function Generator 1 x USB Cable