The glass body of this Osram LED 2.6W R63/R64 reflector light bulb mimics the exact size and shape of traditional 40W R63/64 light bulbs, while still providing the energy-saving benefits of an LED light bulb.It is perfect for those wishing to upgrade to LED light bulbs while ensuring that the new light bulbs will not look out of place with existing fittings.This Osram Parathom LED PAR63/64 reflector is a professional low energy alternative to the older PAR spotlight light bulbs. With comparable design, dimensions and luminous flux comparable to an incandescent or halogen r63/64 lamp, re-lamping is easy and instant 100% light, no warm-up time, make this spotlight bulb perfect for shops, museums, art galleries and outdoor applications in suitable IP65 luminaires.Features a commonly used ES-E27 Edison screw (27mm) cap/base.