This E10 small lamp bulb is designed for educational and experimental purposes, featuring a compact and durable design. Its threaded screw base ensures secure installation, making it ideal for science projects, circuit experiments, and crafting activities. The bulb emits steady light, enhancing visibility and precision during use. Features - Color: Assorted - Material: Glass, aluminum alloy, tungsten filament - Size: 2.20 x 1.00 x 1.00 cm (0.86 x 0.39 x 0.39 in) - E10 base: Compatible with standard E10 sockets for use in various low-voltage experimental setups - Low voltage operation: Rated for 5 V, suitable for safe educational and hobbyist use - Stable illumination: Provides consistent brightness for reliable performance in electrical experiments - Compact design: Easy to transport and install, ideal for classroom labs, DIY projects, and scientific activities - Durable construction: Designed for extended use in repeated experiments Package includes: 20 x E10 small light bulbs