LED,1.2 W,T6,Candelabra Screw (E12) 39P451. LUMAPRO 39P451. 500nmAverage Life 20,000 hr., Color Warm White, Max. Overall Length 2.13 In., Bulb Dia.83 In.Energy Star Compliant No. These T-shaped miniature light bulbs have a candelabra screw base, also known as an E12 base.