The CLX6F-FKC from Cree LED is a LED with Forward Voltage 2.2 to 3.5 V, Forward Current 35 to 50 mA, Luminous Flux 0.8 to 4 lm, Luminous Intensity cd 140 to 2450 mcd, Luminous Intensity mcd 140 to 2450 mcd. More details for CLX6F-FKC can be seen below.