Red/Green/Royal Blue Cree XP-E2. NOTE We now stock the same superb black PCB models that are used in SaberTrio baselit installs.
Green Cree
Forward Voltage @1000mA = 3.7V
Red Cree
Forward Voltage @1000mA = 2.65V
Royal Blue Cree
Forward Voltage @1000mA = 3.4V