The Ledvance led r80 100 36 degree p 8.5w 827 2700k e27 reflector lamp is the ideal replacement for your old R80 halogen lamp. It offers a number of advantages over traditional halogen lamps. · · · Quick, simple and safe replacement without rewiring · · Design, dimensions, luminous flux comparable to an incandescent or halogen lamp · · Low maintenance costs thanks to long lifetime · · No UV and near-IR radiation in the light beam · · Instant 100 % light, no warm-up time · · LED alternative to high voltage halogen lamps · · Not dimmable · · Base: E27