Convenient flush mount plug-in recepticle for Model 6139 system, for use in places where a box just wont fit. Use on bumbers or panels for a hide away out of the way connection. All stainless construction makes this a nice finish for a professional looking install. 5' cable for internal wiring to system power connections. Polarized Lexan plug is tough enough for the coldest weather. Combine this with the 6138 Plug-In Cable Set for a Custom Install.