Philips 50-Watt MR16 Landscape and Indoor flood light 3-pack is ideal for use in outdoor landscape fixtures and indoor track lights. They provide a crisp, bright white halogen light and are perfect for accenting your décor. These bulbs should only be used in 12V enclosed fixtures. Light for all of your specialized fixtures. Philips Specialty Incandescent and halogen bulbs provide the perfect light for accent and display lighting as well as general lighting in a variety of applications.