The size of this storage unit is 27.5ft L x 12.6ft W x 15ft H. From the image you can see this is our covered 55ft pull thru units divided into two covered 27ft parking spaces. This means you have a another 27.5ft of roof behind your vehicle. A 20 amp circuit is provided on both sides of the building for your trickle charger. There are gutters and down spouts on both sides of the building to eliminate splash back. Parking is made easy with “fifty-five foot wide drive aisle” in front each space. These covered 27ft spaces are idea for Class B RVs, Class C RVs, trailers, boats, campers, jet skies, and cars.