Hyperikon 's 4 '' Downlight is a errorless period of time mount solution for deep-set lighting cans using candent or light bulbs. These recess lights in condition 4-inch ceiling cans perfectly and cut energy usage by up to 87 % by replacing 65W with 9W. These fluorescent fixtures are from 100 % -20 % when used alongside redbrick LED dimmers. major for use in bedrooms, living rooms, and kitchens, these bulbs a lifetime of 45,000 hours, or 21 years with middling use.