This heavy-duty lift is designed to provide secure and steady transfers for people weighing as much as 600 lbs. Wide lift range allows for use between high and low surfaces. Electrically operated with rechargeable battery (included) for convenience and ease. Comes with UL listed and CSA certified battery charger. Safety features include ring-pull activated gentle manual lowering for quick response to power loss and locking rear casters. Safety tested for highest quality standards. Latex free.