1)Electric hospital bed. 2)5 functions:hi-lo, back-rest, knee-rest, head and back slanting. 3)Detachable hollow bed board. KML-3ZD-5-D4 Electric hospital bed Description:1)Electric Hospital Bed.2)5 functions:hi-lo, back-rest, knee-rest, head and back slanting. 3)Detachable hollow bed board.4)Easy to assemble and disassemble.5)Easy to clean.Detachable hollow head/foot board in PP, easy to clean; ...