The GLS Energy Saving 16w ES (=75w) with a Edison Screw ES E27 cap, and a 10000 hour life. The bulb measures 113mm in height, and 61mm in diameter. The bulb runs on a 240v (voltage) power supply. This product produces a colour output of 2700K, 827, Very Warm White. This light bulb is known as a Philips Softone T60 GLS, Philips Softone 16w ES , GE Electronic Energy Smart T2 , Osram Duluxstar Classic A , Sylvania Mini-Lynx Compact GLS 31073.