T8 Led Lamp, 240 ° Beam Angle, >83, 4000 K, 1250 LM Brightness (Lumens), 12 W, 120 to 277 V Ac, 0.108 A @ 120 V Ac;0.043 A @ 277 V Ac, Frosted, Glass Material, 50000+ H Average Life, G13 Medium Bi-Pin Base, Non Dimmable, 1.10 In Diameter, 35.19 In Length, >0.9 Power Factor, -4 °F Operating Temperature, +113 °F Operating Temperature, 5 Yr Warranty