The bed has heavy gauge hinges, roller bearings and a 24 volt DC motor. Innovations in comfort are defined by dependable powder coated, carbon steel frame, 80% cotton and 20% polyester cover with foam incased sides and wireless frequency, backlit remote. Back problems be gone with this sturdy adjustable bed. Prop yourself up to watch a movie or a good book with ease. Multiple resting positions are available on this adjustable bed.