The shell is sturdy and durable,Insulating and flame retardant;with 2PCS PG9 water resistant terminal;with four screws,easy to put in The swap makes use of professional electronic factor sealant,which could make the change greater utilized in exterior wet circumstances color:As proven Material:ABS Package Contents: 1 x IP67 waterproof inline switch Only the above kit content, varied merchandise will not be included. Note: Light reflection and sundry reveals could cause the color of the thing in the picture a little bit diversified from the real thing. The length allowed error is +/- 1-3cm.