Linear LED Light Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Housing Glass, Bulb Shape T8, Color Rendering Index 82, Color Temperature 5000K, Lumens 2,200 lm, Nominal Length 4 ft, Watts 15 W, Color Selectable No, Light Technology LED, Voltage 120 to 277 V, 347 V, Standards CSA, FCC, RoHS, Series SubstiTUBE(R) LED T8, Overall Length 4 ft, Bulb Finish Frosted, Bulb Manufacturers Warranty Length 5 yr, Bulb Minimum Starting Temperature -20 Degrees C, Dimming Type 0-10V