The F4 Wireless Hydroflight Remote by Flytronics features a heavy duty, water tight servo motor, water tight underwater camera case style buttons and the exclusive Fail Safe System that will slowly lower the Rider into the water in case of a malfunction. Easy installation to your existing Personal Watercraft. Runs off of a single 9 volt battery that lasts weeks thanks to the integrated on/off switch. No need to remove batteries when not in use. Initial availability will be limited, orders filled in the order received. Call our sales and order support team at (844) FLYDIVE for complete details.