GE, FLE15TC16/L/CD, 15W, Compact Fluorescent Outdoor Post Light Bulb, Electronic Ballast, Medium Base, Maximum Overall Length 6", 850 Lumens, 12,000 Hours, Kelvin Temperature = 2700&degree., Achieves Cri=82, High Grade Polycarbonate Shatterproof Decorative Cover With UV Stabilizers To Reduce Yellowing, Use Only On Photocells, Electronic Timers & Motion Detectors That Are Suitable For Use With Electronic Compact Fluorescent Lamps, Energy Star Qualified, Carded.