... 3mm, 4.8mm,5mm, 8mm.10mm,3528, 5050,etc· Shape: round, burgonet, straw cap, Helmet , 2X3X4mm, 2X5X5mm,2X5X7mm, Super Flux, ... ,ect· colors: red, yellow, amber, blue, green, white Warm white, pure white, cool white , pink, purple, full color,RGB flash· Diode pin: ... good powder has better performance in lumens >>>Gold wire: for bearing bigger current, gold wire has less electricity resistance than silver ...