Features: These E5 miniature light bulbs are ideal for various applications, including microscopes, compasses, and other precision instruments. With a screw base structure, they are easy to install and replace. The tiny light bulbs provide bright and reliable illumination. Features -Color:Multi -Material:LED, glass, metal -Size:1.70X0.60X0.60cm/0.67X0.24X0.24in - Lighting color: warm yellow -Clear: miniature bulbs ensuring clear and precise microscopic observations -Versatile: features screw base instrument functions, catering to various experimental and observational needs -Energy efficient: the bulbs are designed to be extending their lifespan and conserving power -Portable and lightweight: with its compact size and lightweight structure, it is easy to carry and use in different settings -Multiple applications: ideal for school experiments, scientific research, and electronic repairs Package list: 10 x miniature bulbs