Marketing teams love the word "Waterproof." It sounds absolute. It sounds safe.
But ask an engineer, and they will tell you: There is no such thing as waterproof. There is only "water-resistant to a specific pressure for a specific time."
That doesn't look as good on a billboard. But it is the difference between a device that survives a monsoon and a device that bricks itself.
... https://cometenvirons.com/