1、SUPPORT SIGNAL: DDS function signal generator, supports sine, square, sawtooth, reverse sawtooth, triangular, electrocardiogram wave and noise wave. 2、GOOD PERFORMANCE: DDS function generator has good accuracy and frequency stability, supports oscilloscope scan time factor calibration, safe and reliable. 3、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. 4、WIDE APPLICATION: For signal transmission and reception, widely used in communication, instrumentation and automatic control system testing, etc. 5、EASY OPERATION: The function signal generator has a compact structure, complete functions, equipped with USB cable, which is convenient to operate and carry. 1 x Function Generator1 x USB Cable  Item Type: DDS Function GeneratorMaterial: ABSPurpose: Signal sending and receivingWorking Voltage: DC 9VDDS Frequency Range: 1Hz-65534HzOffset: 0.5pp-5VppAmplitude: 0.5Vpp-14VppOutput Impedance: 20-200 ohms