USB White LED Light Source for microscopes and optical instruments. Bright, flicker illumination with adjustable brightness to suit different inspection tasks, and a compact design for easy installation. Longlasting performance. ABS plastic construction provides durability, while delivering consistent, lowheat operation and an extended service life for prolonged laboratory or industrial use. Adjustable brightness control. Finetune light intensity for precise visibility of fine specimens, with a soft natural white LED that reduces eye strain during extended microscopy. Convenient USB power. Includes USB cable for seamless connectivity to computers, power banks, or adapters. Flexible placement and no need for bulky external power supplies. Use scenarios Biological microscopy: illuminate slides and prepared specimens with steady brightness for clear observation. Electronics or materials inspection: reveal microfeatures on small components and surface textures. Education and field work: portable, USBpowered lighting that works with laptops or power banks in classroom or onsite settings.