This portable lifting seat provides 70% assistance for those up to 220 lbs without the need for electricity. This portable and economical lifting seat is perfect for those who need help to stand. It activates automatically as the user stands, lifting up to 70% of their weight up to 220 lbs. It is fully self-powered and does not require electricity instead using a hydro-pneumatic gas spring. The patented LeveLift Technology ensures gentle and safe lift without pushing you forward. Weighing just 9 lbs., it has a built-in carry handle and works on most armchairs or sofas. The 100% polyester cover is fully washable and the polyurethane foam cushion is easy to care for. -Provides up to 70% lift assistance for those up to 220 lbs. -Use in or outside the home on most armchairs or sofas -Self-powered, uses no electricity or batteries -Patented LeveLift Technology