This mini lamp is an excellent replacement for old-fashioned flashlight bulbs, ensuring your device remains functional and efficient. Its compact design and screw base make it easy to install, while its bright light output provides clear visibility. Ideal for both practical use and educational purposes, this bulb is a versatile addition to any toolkit. Features -Color:Transparent -Material:Glass -Size:2.00X1.00X1.00cm/0.79X0.39X0.39in -Stable voltage and current: the 2.5v 0.3a rating ensures stable performance for vintage flashlights and educational experiments, providing reliable lighting -Convenient screw base: the screw base design allows for easy and quick replacement, making these bulbs convenient for various uses -Versatile applications: ideal for physics experiments, these bulbs can also be used in camping, outdoor adventures, and home lighting, offering versatility -Lightweight and portable: the compact and lightweight design makes these bulbs easy to carry and store, It's for use -Educational benefits: these bulbs are for conducting physics experiments, providing a practical learning tool for students and educators Package list: 12 x Miniature Screw Base Light Bulbs