We offer led bulb. highlights 3 years warranty. 650 lumens light output. inteligent internal electronics. world's most efficient light. application residential, office, workstations, hospitals, showrooms and all indoor applictions. technical specification parameter specification operatingl voltage 85 - 277v ac input frequency 50 / 60hz power consumption 5 watts normal power factor >0.92 thd 50,000 hours lamb type retrofit base type standared b22 (e27 also availiable on request)