Description The E10 mini bulbs are perfect for electrical experiments. The compact size of the bulbs makes them easy to carry and store. The bulbs are designed with a miniature screw base, allowing for easy connection to circuits for experiments. Features -Color:As Shown -Material:Glass, aluminum alloy, tungsten wire -Size:2.20X1.00X1.00cm/0.86X0.39X0.39in -Voltage: 1.5V - Base type: E10 -E10 mini bulbs are nice for electrical experiments. Mainly used in electrical experiment of middle and primary school. -Miniature light bulbs 1.5V allows for easy circuit connection, a necessary electrical consumable material. -Low voltage of 1.5V, so the miniature light bulbs are designed for enhanced safety and reliability. -Compact size for convenient carrying and storage, you could take these light bulbs anywhere you need. -Made with aluminum alloy, glass and tungsten wire materials for long-lasting performance.Package list: 50 x 1.5V Light Bulbs