Material and Design: Crafted from durable polymer, this optical sensor utilizes a resistance strain working principle, designed to offer precise UV detection in a compact and efficient form factor. Versatile Applications: Ideal for integration into UV testers, UV watches, outdoor sports equipment, and mobile phones, this sensor provides essential UV data to enhance user safety and device functionality in various environments. Output and Compatibility: The sensor features a photoelectric output model, making it seamlessly compatible with popular development platforms like STM32, Arduino, and Raspberry Pi, ensuring easy integration for hobbyists and developers. Color and Chemical Safety: Classified under UV sensors with no high-concern chemicals used in its production, it offers a safe and environmentally friendly option for users looking to incorporate UV sensing in their projects. Color: Black Material: ABS Package Contents: 1*UV sensor 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.