For track lighting, recessed lighting. Instant on to full brightness. Indoor, suitable for damp locations. 120 volt, 110 degree beam spread, 6.3" MOL x 5" diameter. UL/CUL Listed, FCC Compliant, RoHS Compliant, 100 percent mercury free. LED BULBS Lumens=850 Watts/ Replaces=12.5/65 11,000 HOURS - 2700K BR40 - DIMMABLE MEDIUM SCREW BASE