The Vevor electric trailer jack is a heavy-duty power tongue jack designed to lift RV, horse, utility, and yacht trailers with reliable stability. It features a 3,500 lb load capacity, a 12V DC motor, and a multi-level adjustable lifting range from 9.84" to 33.85". Built from durable carbon steel with a protective coating, it is made for long-lasting outdoor performance. The included waterproof cover helps protect the jack from water and UV exposure. A hand crank is also included for emergency use during power outages.