IPXX stands for Degrees of Protection Provided by enclosures (IP Code) of electric machine
and appliance (IEC 60529/JIS C 0920).
The first character X (First characteristic numeral)
stands for the level of protection against contact and penetration of solid bodies.
IP6X is defined as “Dust tight: No ingress of dust; complete protection against contact”.
The second character X (Second characteristic numeral)
stands for the level of protection against the penetration of liquids.
IPX6: Protected against powerful jets of water from any directions
IPX7 is defined as “Protected against the effects of immersion in water”.
The Video is available at the following URL.
Title: Waterproof Performance and High Durability of IP66/IP55 Panasonic cameras"