Model No:AC-ENB014 1. The bed frame is welded by profile steel are stable and reliable. 2. The surface treated with advanced electrostatic plastic spray is anti-aging and anti-rust. 3. Bed head/foot boards are made of high quality ABS enginering plastic, generous in apperance, freely installed, reliable and easy to clean. 4. Aluminium alloy collapsible side rails with unique pinch resistant design are made of aluminium and carbon steel, light and reliable, easy to clean. 5.125 mm dia. Noiseless castors with central locking system make the bed move flexibly, lightly and conveniently. 6. Which can be operated by cranks, the details is as follow: Backrest max upward angle:75° Footrest max angle:-55~55° Toilet funtion