These screw base LED light bulbs are suitable for various physical electrical experiments. Designed with a miniature size, they are ideal for educational purposes, providing a clear and bright light source. The to install and replace, making them a convenient choice for both students and teachers in laboratory settings. 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 -High brightness: ideal for use as a flashlight source and indicator light in distribution boxes, providing clear and bright illumination -Easy installation: the screw base design ensures simple and quick installation, making it a convenient replacement for traditional bulbs -Practical to use: designed to consume minimal power, these bulbs are energy efficient and help reduce electricity costs -Lightweight and reliable: with a lightweight construction and long lifespan, these bulbs are suitable for various applications without frequent replacements -Versatile applications: suitable for physical experiments, indicator lights, decorative lighting, and more, offering multifunctional use Package list: 30 x small light bulbs