Ideal for science enthusiasts and educators, this small electric bulb is specifically crafted for physical and electrical experiments. The bulb's design ensures a secure fit in various experimental setups, providing consistent illumination. Its versatility makes it suitable for a wide range of educational applications, from classroom demonstrations to hands-on learning activities. Features -Color:Transparent -Material:Glass -Size:2.00X1.00X1.00cm/0.79X0.39X0.39in -Reliable performance: with a voltage of 2.5v and a current of 0.3a, these miniature bulbs ensure reliable performance for both vintage flashlights and educational experiments -Easy installation: the screw base design allows for quick and easy installation, making these bulbs a practical choice for various uses -Multipurpose: suitable for a wide range of applications, including physics experiments, camping, outdoor exploration, and household lighting, these bulbs are highly versatile -Portable design: the compact and lightweight design of these bulbs makes them easy to transport and store, It's for use -Educational value: these bulbs are ideal for physics and electrical experiments, providing a learning experience for students and enthusiasts Package list: 12 x Miniature Screw Base Light Bulbs