GE LED4T4/G9/WW-OT1. This is a 4W T4 shape LED that's equivalent to a 40 W halogen bulb. It has a loop pin base (G9), is non dimmable, and lasts 5x longer than a 3000 hour T4 halogen bulb. Color temperature is 3000K and is 400 lumens. CRI is 80. Item is carded. CA Title 20 Compliant. Can be used in enclosed fixtures.