The mini light bulb is an excellent choice for hands-on learning and DIY crafting. Its easy-to-install screw base fits securely into compatible holders, making it suitable for testing circuits, creating decorative lighting, or enhancing small-scale models. This bulb provides a dependable light source for both educational and artistic endeavors. Features -Color:Multi -Material:Glass, aluminum alloy, tungsten wire -Size:2.20X1.00X1.00cm/0.86X0.39X0.39in - screw base: compatible with a variety of small sockets, this bulb simplifies installation and supports diverse experimental needs -Low voltage safety: operates at 5v, ensuring safe usage for students, hobbyists, and professionals during activities - : provides stable and accurate illumination, ideal for experiments requiring consistent light output -Portable design: lightweight and compact, this bulb is easy to carry and install, making it perfect for mobile and stationary setups -Extended lifespan: crafted for long term use, reducing downtime and enhancing efficiency in educational and research environments Package list: 20 x small light bulbs