Rhino DX V fishing Trolling Motors. The Rhino DX V is a Rhino electric motor equipped with a variable speed drive that allows the speed to be adjusted to suit the needs of the moment. It can be installed on the transom of a dinghy, boat or kayak. It features a digital display that shows the battery voltage directly, with no more risk of unexpected battery depletion. Under the head it has a USB port to which a phone or other electronic devices can be connected. It has a reinforced motor block and a stainless steel stem; making it more resistant to shocks and stress.