... Relative hunmindity: 45% - 95%Datashet:1.RS-608,4P and 6P,Red light2.RS-608,4P,green light without letters (can be ... with letters)3.RS-608,4P and 6P,yellow ... light4.RS-608,4P and 6P,Black,three ways5.RS ... -608,4P and 6P,Black,two ways6.RS-608,4P and 6P,Full green Lamp ...