... enhanced the pressure. Guarantee the stability.5,Lifting Range: Jack can lift or lower freely within the range, stop ... ,Manual Hand Crank: use the manual hand crank to lower the car if no power when the car ... jacked.10,According to GS testing standard, dynamic loading:1:1.25, ... loading:1:1. 5 .11,Elegant, practical, convenient to schlep .12,Cable Color: blue or orange.13,Approval: ...