... led chip import from Taiwan Epistar(Red,Blue,White),OPTOTECH(IR) Item No. as bellowRed No. ES-SMBRPN42A(650~670nm) ES ... -SMHRPN42B(620~630nm) IR: ED-640IRS(730nm)Blue/White No.ES-CABLV45H(450~475nm ... 60mil led chip/5watt(in the market no these), 850nm(IR) because Real IR 730nm much more expensive………