ITEM NAME:XR2206 Function Generator DIY Kit Sine Triangle Square Output 1HZ-1MHZ +Case Descriptio n Features: These are all the parts, it need your own welding and installation Color:As the picture Size: approx. 12 * 8 * 2 cm / 4.72 * 3.15 * 0.8in Weight: about 68 grams Package included: 1*Signal Generators Description: Power: 9-12V DC input Waveform:square, sine and triangle Impedance: 600 ohms, 10% Frequency: 1Hz - 1MHz SINE WAVE amplitude: 0V to 3V, 9V DC input Distortion:less than 1% (1kHz) Flatness: + 0.05dB 1Hz - 100kHz Square wave Amplitude: 8V at 9V DC input (no load) Rise time: less than 50ns (1kHz) Fall time:less than 30ns (1kHz) Symmetry: less than 5% (1kHz) Triangle wave amplitude: 0V to 3V, 9V DC input Linearity:less than 1% (up to 100kHz) Features: Can produce sine waves, triangle waves, square waves. 2. The frequency can be from 1HZ-1MHZ. 3. The frequency and amplitude are adjustable. 4. Five-digit precision resolution. 5. The frequency adjustment has coarse adjustment and fine adjustment. 6. Wide power supply range, can use external power supply 9-12V or 9V battery. 7. All inline components, small number of components, easy to install and debug. We offer you what you need! XR2206 Function Generator DIY Kit Sine Triangle Square Output 1HZ-1MHZ +Case.Frequency: 1Hz - 1MHz. Flatness: + 0.05dB 1Hz - 100kHz. Waveform:square, sine and triangle. SINE WAVE amplitude: 0V to 3V, 9V DC input. Can produce sine waves, triangle waves, square waves. Triangle wave amplitude: 0V to 3V, 9V DC input.