Emitted Color
Red, Green, Blue, Yellow, Orange(Amber), Purple...
Lens
Water clear, Colored diffused, Color transparent
Shape
Round, Straw hat, Flat top, Square, etc.
Size
1.8mm Butterfly, 1x2x7mm, 2x3x4mm, 3mm, 4.8mm, 5mm, 8mm, etc.
Type
Single Color, Bi-Color, Tri-Color ( RGB ), Candle Flickering, etc.