The 45-21S/KK2D-H2727M3N4B2Z6/2T from EVERLIGHT Electronics is a LED with Forward Voltage 2.9 to 3.6 V, Forward Current 75 mA, Luminous Flux 19 to 33 Im, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 100 Degree C. More details for 45-21S/KK2D-H2727M3N4B2Z6/2T can be seen below.