Linear LED Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 80 Color Temperature 4000K Incandescent Wattage Equivalency 25 W 28 W 32 W Lumens 1 800 lm Nominal Length 4 ft Shatter-Resistant No Watts 12 W Color Selectable No Light Technology LED Bulb UL Type Type B Voltage 120 to 277V AC Standards DLC RoHS Compliant UL Listed Overall Length 47 1/4 in Bulb Finish Frosted Bulb Minimum Starting Temperature -4 Degrees F