The Philips EnergySaver T2 provides energy efficient lighting in a smaller, sleeker, size that fits more fixtures. The energy saving T2 is a direct replacement for most incandescents, provides soft white light and lasts 11 years* reducing the hassle of frequest replacements. EL-md T2 13W. Base: Medium [Single Contact Medium Screw] - Life with 3h/day use [years]: 11 an - Estimated Energy Cost/YR: 1.57 $ - Color Code: 827 [CCT of 2700K] - Color Rendering Index: 80 (min) Ra8 - Color Designation: Warm White - Luminous Efficacy Lamp: 60 Lm/W