These mini light bulbs are designed to meet the needs of users requiring small, reliable lighting solutions. Whether for educational purposes, crafting, or flashlight replacement, their consistent performance and easy installation make them a versatile choice. The bulbs' warm light and secure screw base ensure they are both functional and user-friendly. Features -Color:Transparent -Material:Glass -Size:2.30X1.00X1.00cm/0.90X0.39X0.39in -Bright and reliable: provides high brightness for clear visibility in dark conditions, for outdoor and nighttime activities -Durable: built to last, reducing the need for frequent bulb replacements and ensuring reliable performance - voltage support: compatible with systems, making it an ideal replacement for traditional flashlight bulbs -Safe for laboratory use: designed for physical experiments, offering safety and reliability for educational and research purposes -Efficient installation: the screw base design ensures quick and easy bulb replacement, enhancing user convenience and operational efficiency Package list: 20 x flashlight bulb