Maximum load capacity: 2.5T Minimum lifting height: about 10 mm / 3.9 inches Maximum lifting height: approx. 39mm/15.3 inches Jack Package Included : 1 x scissor jack 2.5 tons 1 x wrench 1 x hand crank 1x Lug wrench 2 x CR-V socket 1 x carry bag 1. Fasten the rest three tires using pads or bricks 2. Turn the jack by hand until the jack elevate the vehicle botton. 3. Insert the jack into the wrench, then turn the wrench clockwise. After that we can elevate the jack. Or Insert the hand crank into the lift jack, Turn the jack by hand until the jack elevate the vehicle botton and then hold the front of the hand crank with one hand, and slowly turn the back of the hand crank clockwise with the other hand.