1. OnePiece Design: The armrest features an innovative onepiece design. Installation takes just a second—simply insert it into the gap on the underside of the sofa. This not only saves installation time but also significantly enhances the product's userfriendliness and comfort. 2. Height Adjustable: Equipped with 6 liftable armrests, users can adjust the height to suit their body size and comfort, catering to the individual needs of elderly people of different heights. 3. Wider Spacing: With a 53 cm gap, even taller users can easily sit and stand, enjoying unrestricted relaxation time, ensuring every sitting and reclining position is fully comfortable. 4. NonSlip: The rubber feet of the standing aid effectively increase friction with the floor, ensuring safety and stability during use. The handrail is made of TPE material, which offers temperature resistance, waterproofing, and antislip properties. The simple and versatile appearance creates a pleasant living environment and enhances quality of life.