Features: 1. three cranks manual hospital bed, 2. size: 2120*970*485mm 3. collapsible aluminum side rail 4. detachable ABS head/foot boards 5. anti static lockable castors 6. epoxy powder painted steel ventilation mattress support bed boardsFunctions: 1. backrest:0-75 degree adjustment, 2. leg:0-45 degree adjustment 3. 450-720mm Hi-Low adjustment