Contains bags of 10 Clear Greens, 10 Clear Reds, 10 Clear Blues and 10 Clear Whites. Light-emitting diodes that work well for Arduino projects. Comes with lots of resistors for connection. Size 5mm. Wavelength: Red 625-630 nm, White, Green 513-516 nm, Blue 446-461 nm. Forward voltage: Red 1,9-2,1, White, Green 3,2-3,4, Blue 3,2-3,4. Brightness: Red 10000-12000 mcd, Green 12000-14000 mcd, Blue 5000-6000 mcd. Angel 25.  Lenses Crystal clear by GadgetMe Brands.