Ideal for educational settings, the 2.5v / 0.3A mini indicator bulbs are designed for use in school science experiments. These tiny screw-in light bulbs are ideal for teaching students about electrical circuits and principles. To use, screw the bulb into a socket, connect it to a power source, and watch it light up, providing a clear demonstration of electrical flow. These bulbs are essential for hands-on learning, making complex concepts more accessible and understandable for students. Features -Color:Multi -Material:Glass,alloy -Size:2.00X1.00X1.00cm/0.79X0.39X0.39in -Suitfor student experiments: these miniature light bulbs are ideal for student experiments, providing a practical tool for learning about electrical circuits and components -Safe voltage and current levels: with a voltage of 2.5v and a current of 0.3a, these bulbs are designed to for use in educational settings, minimizing the risk of electrical hazards -Reliable and sturdy construction: made from glass and alloy materials, these bulbs are built to last, ensuring reliable performance for repeated use in educational experiments -Compact and userfriendly: their small size and screw base design make these bulbs easy to install and replace, providing convenience for both students and teachers -Promotes safe learning environment: these bulbs are designed to provide environment for electrical experiments, ensuring that students can conduct their experiments without any safety concerns Package list: miniature screw light bulbs