Small size, multiple functions, simple operation, easy to carry. Features an oscilloscope for use in electronic circuit experiments and debugging. Suitable for testing frequency characteristics of audio amplifiers and pulse response in measurement applications. Offers good precision and frequency stability, making it ideal for oscilloscope sweep time calibration. Square wave output is suitable for oscilloscope attenuator and probe pulse adjustment. Main output waveforms: sine wave, square wave, triangular wave, sawtooth wave. Maximum output amplitude: +/- 10Vpp (no-load) Output impedance: 50 Ohm +/-10% DC bias: +/- 10V (no-load) Display: LCD1602 Material: metal Resolution: 1 Hz Power supply: DC 3.5-10V Output frequency range: - Sine wave: 1Hz - 500kHz - Square wave: 1Hz - 20kHz (valid range) - Triangular wave: 1Hz - 20kHz (valid range) - Sawtooth wave: 1Hz - 20kHz (valid range) Package includes: 1 x FG-100 DDS Function Signal Generator 1 x USB adapter cable 1 x English manual Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3cm.