I did a little digging and found that the Rear View Safety Wireless Side Camera # RVS-775W as a whole carries an IP68 rating. The 6 indicates that it is dust tight meaning dust cannot get in. The 8 indicates continuous immersion in water at a depth of 1 to 3 meters for a given amount of time. So what all that means is that rain or washing the RV will not cause water to get inside the unit and it will function properly. Unless the camera is submerged deep under water and/or underwater for... view full answer...