These 5050 SMD LEDs are Customization LED, which is customized for the beauty machine. Both 840nm IR LED or 830nm LED can deeply penetrates the, stimulating skin collagen secretion and blood circulation. When 630nm LED and 830nm LED working at the same time, you'll see that the results are amazing! 460nm blue LED, which is Blue LED, The greatest effect of blue light is to eliminate inflammation of the skin. It has a good effect on acne and inflammatory skin. Brightness: Red: 500-700 mcd 1.9-2.3V 630-640nm Blue: 450-600 mcd 2.9-3.3V 458-463nm IR: 10-20mw/sr 1.3-1.6V 840-850nm Note: More color are available for this 5050 SMD…