Ideal for physical experiments, these small screw base light bulbs are designed to provide consistent and efficient lighting. Their technology ensures low energy consumption while delivering bright light. These bulbs are suitable for demonstrating electrical circuits and other scientific concepts in a classroom or laboratory environment. Features -Color:Multi -Material:LED, glass, metal -Size:2.80X1.20X1.20cm/1.10X0.47X0.47in -Note: Suitable for E10 socket -Voltage: 12V -Power: 0.2W -Bright led indicator: the highbrightness led ensures visibility and clarity, making it suitable for indicator lights and signaling -Simple replacement: easily replace traditional bulbs with the screw , ensuring convenient maintenance and upgrades -Experiments use: mini bulbs are nice for electrical experiments. Mainly used in electrical experiment of middle and primary school - : built to last, these bulbs offer extended service life, reducing the need for frequent replacements -Multiuse: ideal for a variety of applications including physical experiments, decorative lighting, and indicator lights Package list: 20 x small light bulbs