T8 Led Lamp, 190 ° Beam Angle, 82, 4100 K, 1000 LM Brightness (Lumens), 15 W, 120 to 277 V Ac, Glass Material, 50000 H Average Life, G13 Base, Dimmable, 1.1 In Diameter, 48 In Length, -30 °C Operating Temperature, +55 °C Operating Temperature, 5 Yr Warranty