Car Lift Floor to Floor Daxlifter is a custom made product.You just need to let us know the installation space size, capacity,platform size and max platform height you need ,then we can offer you a good design to suit for your work place. Most of Vehicle 4S shop or car service workshop.Besides,we also offer some auxiliary car service lift to 4S car shop or vehicle repair shop,if anything more you are interested in,just send us inquiry.About installation,we can offer complete technical support and manual. And through online method to offer support.So don’t worry about the final installation.