1、HIGH ACCURACY: DDS possess good accuracy and frequency stability, suitable for oscilloscope sweep time factor calibration 2、SMALL AND PORTABLE: Function signal generator module possess small size, complete functions, simple operation, easy to carry 3、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 4、FOR OSCILLOSCOPE AND PROBE: Square wave output, suitable for oscilloscope attenuator and probe pulse characteristic adjustment, etc. 5、SCRATCH RESISTANT ABS: Adopt good quality ABS material, possess impact resistance, scratch resistance, environmentally friendly 1 x Function Signal Generator Module Item Type: Function Signal Generator ModuleMaterial: ABSPurpose: Signal sending and receivingBasic Parameters: Working Voltage: DC7-9VDDS Frequency Range: 1HZ-65534HZ Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.