The L2C5-27901211E1900 from Lumileds is a LED with Current 1200 mA, Forward Voltage 32.5 to 37.5 V, Luminous Flux 4305 to 4783 lm, Operating Temperature -40 to 105 Degree C, Storage Temperature -40 to 120 Degree C. More details for L2C5-27901211E1900 can be seen below.