Is LifeWatch Generation 2 waterproof?

Your LifeWatch Generation 2 has a waterproof certification of IP68 so you can wear it swimming in a pool or in open water to a maximum depth of 50 meters. The device can be worn while washing your hands, or if you are caught in the rain or swimming in shallow water, however, it does not support hot water showers, diving, surfing or deep submersion.

Does LifeWatch Generation 2 have the fall detection function?