Features: Light and Portable: Despite their practical features, the 400w metal halide bulb is light and portable. This means you can easily move and install them wherever needed, which adds to the convenience factor. Where to use: The lighting metal halide light bulb is practical and convenient, which can be chosen to use for garden, yard, park, shop and more, which can let you use easily. Specifications: Main color: clearSize: about 3.54 x 8.19 inchesPackage includes: 3 x Metal halide light bulbsNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.