Emitting Very Warm White energy efficient long lasting LED illumination this Osram Retrofit PARATHOM Classic A light bulb is rated at just 5.2 Watts making it a great replacement for an energy hungry 40W incandescent GLS. Saving 80% in energy consumption and lasting 15000 hours this Non-Dimmable LED boasts good colour rendering low thermal output and mercury-free content. This functional Energy Class A Edison Screw LED has a Frosted finish and is ideally suited to general illumination in domestic hospitality and commercial applications.