This pack contains 20 units of 5mm LED RGB - Common Anode. Specification Chip Material Lens Type Emitting Forward Voltage(V) Dominant Wavelength(nm) Luminous Intensity(mcd) Reverse Current(uA) Viewing Angel(deg) InGaN Water Clear Red 1.8/2.5 615/645 200/600 10 ±60 InGaN Water Clear Green 2.8/4.0 455/480 200/400 10 ±60 InGaN Water Clear Blue 2.8/4.0 500/540 300/800 10 ±60 IF=20mA IF=20mA IF=20mA VR=5V IF=20mA