1、The IP67 waterproof technology allows our camper door latch to handle the harsh outdoors. 2、The zinc alloy metal finish and sealing gasket allows it to be rust proof and dirt proof to secure your valuables. 3、Totally includes 1 RV door handle, 2 mechanical keys, 8 fixing screws, buckle and brackets. 4、Use premium locking technology to allow you to leave your RV without worrying about your valuables. 5、Each lock set comes with unique keys. Enter your trailer knowing all your precious items will be there. 6、Compatible with campers, 5th wheels, bumper‑pull, horse and cargo style trailers. Will fit most trailers with an opening of 3.75 x 2.75 x 1.5in/9.5 x 7 x 3.81cm. We include different length screws to allow a seamless fit.