Features High Precision: DDS function counter has good precision and frequency stability, suitable for oscilloscope scanning time factor calibration, accurate data and good reliability. Small and Portable: The function signal generator module is manufactured by professional technology, with small size, complete functions, simple operation, easy to carry and easy to use. Use With An Oscilloscope: This DDS function generator can be used with an oscilloscope for testing and debugging electronic circuits, testing and measuring the frequency characteristics and impulse response of audio amplifiers. Square Wave Output: The function source frequency counter adopts square wave output, which is suitable for oscilloscope attenuator and probe pulse characteristic adjustment. Advanced Material: This function signal generator is made of high-quality ABS material, which has good impact resistance, scratch resistance, not easy to wear, and long service life. 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