HP-2F1 Automatic loading Ambulance Chair Stretcher Dimensions and Sizes Wheelchair Adjusted For Ambulance TransferTechnical features: 1)Ambulance stretcher dimensions is high strength aluminum alloy which is hardened and surface treated. 2)The folding mechanism of the leg part can be controlled by the handles on both sides. Only one medical staff is needed to push the stretcher into the ambulance car. 3)This stretcher apply to narrow spaces such as elevators, moving the stretcher after folding as a chair. 4)The bed surface of the stretcher is made of waterproof