The glass body of this LED PAR38 reflector light bulb mimics the exact size and shape of traditional 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 PAR38 reflector is a professional low energy alternative to the older PAR light bulbs. Easy re-lamping and 100% instant light make this light bulb perfect for shops, museums, art galleries and outdoor applications in suitable luminaires. For Dimming info see www.osram.com/dim.Dimmable with many common dimmers. IP65 rated - outdoor use in suitable fitting. Features a commonly used ES-E27 Edison screw (27mm) cap/base.This PAR38 Reflector is a newer product from Osram and supercedes their old PAR38 Reflector part codes: 4058075813250.Please note that even though the light bulb itself is IP65 rated, it must be used in a suitable IP65 rated socket in order for it to be used outside safely.Please visit the manufacturer\'s website for up-to-date dimmer switch compatibility lists for this Osram LED PAR38 Reflector light bulb before purchase.To find the answers to some common questions about LED dimming, please read our guide Dimming for Dummies.