... the pressure. Guarantee the stability.5,Lifting Range: Jack can lift or lower freely within the range, stop ... loading capacity.7,Platform uses thick steel, strengthening design. Jack smooth lifting, not deformation.8,Jacklight: LED light, ... Manual Hand Crank: use the manual hand crank to lower the car if no power when the car jacked.10,According ... TUV/GS,CE,UL,ROHS,ISO9001:2000. Electric car Jack