Standard Features:Both axles electric Brakes15” Radial Tires on Alum RimsEz Lube Dexter Axles1.25'' square Tubing Studs (16'' C)2x4'' Frame (16” C Crossmembers)3/8 Drymaxx on walls3/4 Drymaxx on floorInterior Height 80”Ramp DoorSide door 30''x 72''Screwless Exterior1 pc Aluminum RoofLED lighting7 Prong Plug5000 lb jackInterior Lights2 5/16'' Ball coupler