Sunlite LED GBF lamps are extremely energy efficient and will help get your monthly energy costs down to their bare minimum. These lamps can last up to fifteen times longer than there halogen counterparts thereby reducing the hassle of replacements. Sunlite LED lamps do not release any hazardous gasses, so by using these lamps you get to do a little more to protect our environment. You wont lose out on light output or ambiance either; Sunlite LED bulbs deliver a high lumens-per-watt ratio and produce a bright, crisp light in a variety of colors.;This Sunlite 12-volt, 1.7-watt, gbf type LED provides a light output of 100 lumens using 1 Led . It features a double contact base and can last up to 30,000 hours and produces a brilliant warm white light. The Sunlite GBF/1LED/1.7W/WW LED lamp lasts long, reduces energy costs and can fit right into your home application or into the most cutting-edge, state of the art lighting design project.