.Technical parameters: 1. product Size: (LxWxH):High position :190*x55x2300px  Low position:190x55x625px 2. Maximum Angle of the Back:75°  3. Carton Size(1pc:195x62x637.5px)  4. N. W.:40kg   G.W.:46kg  5. Load Bearing:�159kg II. How to use: 1. The stretcher surface is made of soft sponge mattress, which make patient feel comfortable. One medical staff can push the trolley onto the ambulance or send to ward. 2. When need low position, pull out the safety handle & then press it, the stretcher's height will automatically lower down. 3. When destination arrived, pulling out the safety handle, the stretcher's legs will unfold automatically. 4.There are the return elastic lock device at both side of the stretcher & the leg parts. Lock tightly when turn up for patient safety, turn down for patients out. 5.Pressing the button under the stretcher, the head part will be raised or lowered. III. Applied for:Approved by clinic practice, this item is suitable for ambulance, hospital battlefield, gym, etc. to carry the wounded & patients. It also can be used in general operation. IV. Cautions: 1. When carrying patients with this stretcher, be sure lock tightly the fender locking device & fasten the safety belt for safety sake. 2. in general operation, be careful not to out torn the stretcher surface. V. Maintenance: 1. Keep clean as routine (incl. sterilization);2. Often check if any parts loose or not. VI. Storage & transportation: 1. Store this product in the place of damp proof & non-corrosion;2. Common transporting vehicle can carry this product.