Linear LED Light Bulb, Bulb Housing Glass, Bulb Shape T5, Color Rendering Index 82, Color Temperature 4100K, Lumens 2,100 lm, Nominal Length 4 ft, Watts 13 W, Color Selectable No, Light Technology LED, Bulb UL Type Type A, Standards CSA, FCC, RoHS, Series LED T5 HE, Overall Length 4 ft, Bulb Finish Frosted, Bulb Manufacturers Warranty Length 5 yr, Bulb Minimum Starting Temperature -20 Degrees C, Dimming Type 0-10V