Definitions for "IP RATING"
Index of protection, a number combination that defines the protection afforded from outside influences by an enclosure.
This is used as an index of environmental protection. The number combination defines the protection from outside influences afforded by an enclosure. The minimum rating for most external housings for cameras is IP65.
a means of classifying the degress of protection from dust, water and impact afforded by electrical equipment and enclosures. The first digit indicates the extent to which the equipment is protected against particles and the second digit indicates the extent of protection against water