1..4pins and 6pins with light and without light 2.green light, red light,yellow ... light2.RS-608,4P,green light without letters (can be with letters)3.RS-608,4P and 6P,yellow light4.RS ... ,Black,two ways6.RS-608,4P and 6P,Full green Lamp Rocker switch with light RS-608,4P,6P