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: , 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 troubleshootingPackage list: 10 x miniature bulbs