These tiny light bulbs are ideal for replacing old or burnt-out bulbs in a variety of devices. The E5 screw base ensuring compatibility with many different types of equipment, while the bright illumination provided by these bulbs makes them ideal for use in night lights. Features -Color:Multi -Material: , glass, metal -Size:1.70X0.60X0.60 cm/0.67X0.24X0.24in - Lighting color: warm yellow -Multipurpose: equipped with compass and screw base instrument functions for versatile use in experiments -Portable: the small and lightweight construction allows for easy transportation and use in various environments -Easy to carry and use: compact and lightweight, these miniature screw to transport and handle -Safe experimentation environment: designed to provide environment for electrical experiments -Broad application: ideal for scientific studies, jewelry assessment, and electronic repairs Package list: 10 x miniature bulbs