Function: 1. [Simple Circuit] All components are in line, with a small number of components, resulting in a simple circuit that is easy to install and debug. 2. [5-Digit Precision Resolution] The frequency range is adjustable with 5-digit precision resolution, and measurement data is displayed intuitively and conveniently. 3. [Adjustable Frequency] The function generator's frequency can be adjusted with coarse and fine tuning, making it easy to operate. 4. [Usage] The signal generator kit has high resolution and can generate sine waves, triangle waves, and square waves, making it convenient for your use. 5. [Lightweight and Portable] The function signal generator is lightweight, small in size, and easy to carry and store, allowing you to take it with you wherever you go. Specification: Item Type: Signal Generator Kit Material: PCB, ABS Model: For XR2206 Purpose: Signal Generator Power Supply: 9-12V DC Input. Package List: 1 x Generator 6 x Enclosure Accessories 3 x Buttons 9 x Screws 5 x Nuts 2 x Buckles 1 x User Manual