IP66, IP67 - what do they actually mean?

The IP (Ingress Protection) code describes what influences a product is protected against.
The first digit stands for protection against foreign objects (like dust), the second for protection against moisture.

IP66 or IP67 ("full-rugged", "fully-rugged") means:

- IP6X: The device is completely protected against dust (dustproof)
- IPX6: The device is protected against powerful water jets
- IPX7: The device is protected against temporary immersion (up to 1m for 30min)