These small light bulbs are Suit for student electrical experiments and flashlight projects. Featuring an screw base, they are easy to install and replace. The bulbs emit a bright light, making them ideal for various educational and practical applications. Their compact size ensures they fit into tight spaces, providing reliable illumination. Features -Color:Silver -Material: -Size:2.30X1.00X1.00cm/0.90X0.39X0.39in -Brightness and durability: these 2.5v tiny light bulbs offer excellent illumination and are built to last, ensuring longterm use without frequent replacements -Safe for experiments: operating at low voltage, these small light bulbs are safe and reliable, making them ideal for student electrical experiments -Easy installation: the screw base design allows for quick and easy installation and removal, saving time and effort -Fine craftsmanship: made with precision, these miniature light bulbs are Sturdy and resistant to damage, ensuring consistent performance -Versatile use: suitable for various applications, including small gadgets, flashlights, and other devices, these bulbs are Suit for multiple scenarios Package list: 250 x small light bulbs