Specification Brand : wsdjonith BulletPoint1 : Convenient transfer - 3.9Inch Folding Rear Wheels: These rear folding wheels feature brakes, allowing operators to easily transport people to safety on flat surfaces. 6.3Inch Front Wheels: These front wheels allow the operator to easily transport individuals onto flat surfaces. BulletPoint2 : One person operation/Down the stairs(159below kilograms)——Under normal circumstances, one person can lift the patient. If the patient weighs more than159kilograms, then there are2or more operators. BulletPoint3 : ASD-Head and chest restraints. Passed securely across the chest, one is tied to the forehead to secure the person securely to the chair. BulletPoint4 : A belt system allows the chair to slide over the edge of the stairs while creating friction to slow momentum. The product is a comfortable cushion with foam curved handles and two safety straps to ensure patient safety during transfer. BulletPoint5 : Light weight and easy to use——Aluminum stair stretchers are primarily used to evacuate patients from multi-story buildings. ExternallyAssignedProductIdentifier : 7592757242497 ItemName : Stair Chair, Portable Foldable Stair Stretcher Lightweight Stair Evacuation Chair, Ambulance Firefighter Evacuation Lift Stair Chair with ItemTypeKeyword : professional-medical-chairs Manufacturer : wsdjonith MetalType : other PartNumber : tJhs987613 ProductDescription : Product parameters: This stretcher is mainly suitable for transporting patients up and down stairs in high-rise buildings. Only one person is required to operate. Four-wheel structure, easy to drive. -The stretcher is equipped with two seats -The stair evacuation chair is made of high-strength aluminum alloy material and has the characteristics of light weight, portability, easy to disinfect, clean, easy to carry, and safe to use.. Commonly used in hospitals, gymnasiums, ambulances, and military hospitals to transport the sick and wounded. Specifications: Product Name: Ambulance Stair Chair Material: Aluminum Alloy Size: Before Folding:7852134cmafter folding:785222cm Weight:9kg Load capacity:159kg Packaging list:1Ambulance Stair Chair I'm glad you can visit my store, I wish you one-stop shopping and happy shopping!