Linear LED Light Bulb, Bulb Housing Glass, Bulb Shape T5, Color Rendering Index 82, Color Temperature 3500K, Lumens 3,400 lm, Nominal Length 4 ft, Watts 24 W, Color Selectable No, Light Technology LED, Voltage 120 to 277 V, Standards CSA, cULus, FCC, RoHS, Series LED T5 HO, Overall Length 4 ft, Bulb Finish Frosted, Bulb Manufacturers Warranty Length 5 yr, Bulb Minimum Starting Temperature -4 Degrees F, Dimming Type Phasecut