Kohree heavy-duty jack is designed for campers, trailers, and vans. It can withstand up to 5000 pounds. It can lift a camper or trailer to the desired height without physical effort and simplifies the hitching process. It operates on 12V power and can be connected to a vehicle. The rod extends from 9.8 to 31.7 inches. Importantly, the lifting process is smooth, without jerks. The jack is made from durable materials resistant to UV rays, moisture, and temperature fluctuations. A protective cover is included to shield the electronics from water.