Precision LED Constant Current Driver Module for Optical Instruments Efficient Electrical to Optical Optimized Performance: This module ensures a stable and precise current output, ideal for driving LEDs in critical optical applications. Advanced Technology: Incorporates cutting- for seamless electrical to optical conversion, enhancing device reliability and performance. Versatile Applications: Perfect for a variety of optical instruments, providing consistent illumination and power management. Design: Built to last with high-quality materials, ensuring long-term usability in demanding environments. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:As shown Material:PCB Package Contents: 1 * LED Constant Current Driver Module 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.