-Bed tubes can alternately inflate and deflate, effectively distributing pressure evenly, with a turning function to help improve the user's pressure ulcer condition. -Automated side-turning function to reduce the burden on caregivers. -Intuitive design, simple and easy to operate. -Three turning angle options (0-30°). -Three alternating modes available: Static Mode, Alternate Mode, and Seating Mode. -Equipped with heel relief tubes; the last five tubes can be individually deflated to suspend the heels, reducing the risk of heel pressure ulcers. -Rectangular bed tube design for greater body contact area.