Energy efficient CFL. Super saver. Bug light. Non-attracting insect light bulbs. Light output 405 lumens. Energy used 14 watt. Life 6000 hours. Saves $27 in energy costs (To save energy costs, find the bulbs with the light output you need, then choose the one with the lowest watts). Lasts 5 years. Standard base. Hg lamp contains mercury. UL listed. Made in China.