Designed for precision and versatility, this miniature light bulb is ideal for experiments, crafts, and small lighting fixtures. Its compact size and efficient design make it a practical for users seeking reliable illumination in tight spaces. The bulb's steady light output supports detailed work and enhances creative projects. Features -Color:Multi -Material:Glass, aluminum alloy, tungsten wire -Size:2.20X1.00X1.00cm/0.86X0.39X0.39in -Standard interface: ensures compatibility with a wide range of small light holders, simplifying setup for experiments and projects -5v low voltage: designed for safe operation, reducing risks and ensuring peace of mind during educational and diy activities -Consistent brightness: engineered for stable light output, supporting precise and reliable results in scientific experiments - use: compact size makes it ideal for use in schools, homes, and labs, catering to various experimental and crafting needs - construction: design minimizes replacement needs, ensuring continuous operation and improved productivity Package list: 20 x small light bulbs