IP67 Represents one of the highest levels of protection offered by an IP rating. This rating provides: Complete protection against ingress of dust and airborne particles. Protection against water and liquids, up to and including immersion in up to one meter of water.
IPX4 Protects from splashing water, no matter the direction.
IPX6 Protects from powerful water jets.
IPX7 Protects in water up to 3 feet (1 meter)
IP66 waterproof against hose-directed water and falling drops of rain or snow, it's not intended to be submerged in water.