Camera housings come in various shapes and sizes. With regard to the correct IP rating protection, this will range from dust and water ingress. This system is governed by a number of European and British standards. IP55 Protected against dust - limited ingress. Protection against low pressure jets of water from all directions – limited ingress permitted. IP65 Protection against dust - no ingress. Protection against low pressure jets of water from all directions – limited ingress permitted Protection against high pressure water from all directions - limited ingress permitted.