The phrase "ingress protection" refers to the level of protection something has against the entry of solids (like dust) and liquids (like water). It basically tells you how well an object is shielded from outside elements. Full definition
The 10 - inch version boasts a MIL - STD - 810G rating, so could survive 120 cm drops and comes with an IP65 ingress protection rating for resistance to dust and water. (pocket-lint.com)
Apple iPhone 7 / iPhone 7 Plus The iPhone 7 and 7 Plus may not have a fresh design, but they comes with Ingress Protection certification. (techtree.com)
With an IP - 65 rating for ingress protection and a military - grade 810G rating for environmental conditions, the Toughpad FZ - M1 can take on just about anything other than full underwater submersion. (laptopmag.com)