Model Number: T20 E27 40W Edison bulb-#5015 Brand Name: Yifeng Key Specifications/Special Features: Donghai Yifeng lamps company limited manufactures energy saving halogen lamp with guaranteeWe assure you of our diligent work and outstanding creditYour prompt inquiry is much appreciated and we will give you the best offerThesegorgeousvintage lightbulbscreate beautifulambiancethe oldfashioned style filaments glowingwithwarmlight,justlike theoriginals invented by ThomasEdisonOldstylelightbulbsareveryversatile andcanbeusedwith lampshade or look stunning justontheirown, theycanbe usedas the main light in room or can simply bedecorative