The screw base structure makes them easy to install in a range of devices, from night lights to flashlights. Whether you're working on a scientific experiment or a DIY project, these bulbs provide the bright, consistent light you need. Features -Color:Multi -Material:LED, glass, metal -Size:1.70X0.60X0.60 cm/0.67X0.24X0.24in - Lighting color: warm yellow - Compact size: With their compact size, these E5 miniature light bulbs are ideal for a variety of uses -Portable: the compact and lightweight structure makes it convenient to carry and use in different settings -Safe learning environment: these bulbs are designed to provide environment for electrical experiments -User-friendly: their small size and screw base make these bulbs easy to install -Wide application range: suitable for school experiments, scientific research, and electronics troubleshooting Package list: 10 x miniature bulbs