Emitter on Premium Star
Cree R2 bin emitter ( Cree original BIN label available in picture gallery on the left ) - Cree Flux/Color BIN: R2 WG - 3.7V typical driving voltage - Premium "Star" connection board for heat dissipation and easy wiring and upgrading existing star Luxeon emitters - Official Binning and Labeling Guide: http://www.cree.com/products/pdf/XLamp7090XR-E_B&L.pdf