Description Button Controlled Handle for easy trailer maneuvering Automatic Brake Function- quickly attaches to most trailer tongues Heavy-Duty 8 Solid Rubber Wheel Trouble-free rust resistant powder coat finish Forward and Reverse Specifications: 12V DC Battery Drive Max speed: 6-7 meters per minute Gear ratio: 326:1 Brake: automatic brake Max Incline: 5 Degrees Max Trailer Load: 5000lbs / 2268kg Max Jack Load: 600lb / 272kg 350W motor Heavy-Duty 8 Solid Rubber Wheel Width of wheel : 70mm Unit weight: 35.28lb / 16kg Overall size: 71 x 36 x 81.5cm