Highly precise and stable performance with a frequency resolution of 0.001Hz, utilizing low temperature drift crystal oscillators and DDS frequency synthesis. Offers 13 different waveform outputs including sine, square, sawtooth, and 7.83Hz wave for versatile testing applications. User-friendly interface with a 1.8" color TFT display and digital keypad for intuitive frequency input and easy parameter adjustments. Compact and portable design, making it ideal for lab work, fieldwork, or home experiments. Enhanced usability features such as pen for precise control, adjustable backlight brightness, signal light brightness, and a timer shutdown function. The Portable DDS Signal Generator is designed for a wide range of testing and experimental needs, ensuring accurate and stable performance across all frequencies. With its automatic settings save feature, users can easily return to their preferred configurations. The device is perfect for both professionals and hobbyists, providing reliable output and a variety of waveform options to suit different applications. Color: As Shown Material: PCB+Components+plastic Package Contents: 1 * Signal Generator 1 * USB Cable (Type-C) 1 * 4-PIN Signal Output Cable 1 * Stylus Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.