1.lamp base:E27 2.ROHS/CE compliant 3.voltage:AC85-265V ... warranty6.Good raw material. Product features:Replacement of 50w halogen lamp. To save more than 85% energy. Excellent optics structure: less ... most of existing dimming system, non-flicker. stable and efficient LED driver, with PFC solution(PF>0.92) Dust-proof design ... ,garages, airports,metro,household lighting .etc. E27 hite color down lamp