Compact size complete functions, simple operation, easy to carry. It can be powered by a power adapter or a 3.7V lithium battery. Together with an oscilloscope, it can be used for electronic circuit test and debugging, frequency characteristics and impulse response test and measurement of audio amplifiers. Due to the good accuracy and frequency stability of DDS, it is also very suitable for oscilloscope sweep time factor calibration. The square wave output is suitable for oscilloscope attenuator and probe pulse characteristic adjustment., Manufacturer: Boddceto