Sports Imports LLC Universal Carbon Fiber Dual Temp Seat Heater Installation Kit This is the original Universal Carbon Fiber Seat Heater Kit with Illuminated 2-Color Switch & OEM type connectors. Universal fit on any 12vdc system on leather, vinyl or cloth seats. Bi-Color Illuminated 13/16" (21mm) Round Switch. Waterproof switch covers available separately. Includes 1 Backrest & 1 Seat Bottom Carbon Fiber Heating Elements for 1 seat. Length can be trimmed with scissor. Honey Comb heating threat allows you to cut slits in the middle of the pad. New Dual Temperature Control System with embedded 5th generation theromstat in pad, Bi-Color Illuminated 13/16" (21mm) Round Switch THIS KIT IS DESIGNED TO BE INSTALLED UNDER THE SEAT FABRIC AND IS FOR SOMEONE WITH ADVANCED INSTALLATION SKILLS OR TAKE IT TO AN AUTO UPHOLSTERER