1.Jack lifting height from13cm to43cm within 2.5mins 2.Max loading weight of jack:1.5ton 3.Electrical spanner torque force:280N.M 4.Easily ,fastly to change the tyre,especialy for women use 5.Any less than 7seats,car weight3ton can be used 6.Air compressor for pumping the tyre Including electrical jack ,electrical spanner,air compressor,battery clip,fuse,wheels nut adaptert,wire for connect from car cigar lighter to jack,manual spanner. Height extension