manual bed with center controlled locked

The three functions are showed in the pictureThe first crank function is head rise-and-down(0-80 degree)The second crank function is foot rise-and-down(0-35 degree)The third crank function is HI/LO for the whole bed frame(distance between bed frameand floor lowest450-highest700mm)Accessories I.V.poleWheelsAluminum alloy protective railing
manual bed with center controlled locked