Functional light with substantial energy savings Philips Halogen Low Voltage Capsules provide sparkling, white light. These lamps offer an average rated life of 2,000 hours making them perfect for undercabinet or desk lamp lighting. Halogen light bulbs stand out for their brilliant light. They create rich contrasts and can light spaces with a clean, bright ambiance. Philips Halogen bulbs are available in a large variety of shapes and sizes and are designed to suit a wide range of fixtures and applications. Philips Specialty bulbs provide the perfect light for accent and display lighting as well as general lighting in a variety of applications. These light bulbs are for indoor use.