Features SMALL AND PORTABLE: Function signal generator module possess small size, complete functions, simple operation, easy to carry HIGH ACCURACY: DDS possess good accuracy and frequency stability, suitable for oscilloscope sweep time factor calibration TESTING, DEBUGGING, AND MEASURING: Together with the oscilloscope, can be used for testing and debugging of electronic circuits, testing and measuring the frequency characteristics and impulse response of audio amplifiers SCRATCH RESISTANT ABS: Adopt good quality ABS material, possess impact resistance, scratch resistance, environmentally friendly FOR OSCILLOSCOPE AND PROBE: Square wave output, suitable for oscilloscope attenuator and probe pulse characteristic adjustment, etc. Specification: Item Type: Function Signal Generator Module Material: ABS Purpose: Signal sending and receiving Basic Parameters: Working Voltage: DC7-9V DDS Frequency Range: 1HZ-65534HZ Package List:1 x Function Signal Generator Module Package List 1 x Function Signal Generator Module