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The Kong USA Hydrobot is a versatile and lightweight descender designed for modern canyoning.This product will be shipped directly from Kong USA and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only.. . . Can be used both with one or two ropes and allows an easy change of braking under load. Avoids the risk of accidental loss, avoids the rope twisting, and avoids the wear of the connector. Can be used as an auto-locking device in case of emergency, ascending on one or two ropes (in connection with a Prusik knot). Ability to overturn the central bar (fixed by a screw) allows for use by left-handers. The Hydrobot is the only mountaineering device fitted with a magnet to retain the mobile bar. Every piece of Kong USA gear is tested and checked for safety.