Electric wheelchair refers to traditional manual wheelchair, superimposed high-performance power drive device, intelligent operating device, battery and other components, transformed and upgraded. It should be noted that in most systems, red-black or blue-black wheelchairs are displayed. For example, Apple, Google, Samsung, and Twitter systems display red and black electric wheelchairs, while the WhatsApp system displays blue and red wheelchairs. black. Compared with traditional manual wheelchairs, electric wheelchairs are more labor-saving and convenient. Therefore, the expression can not only refer specifically to items such as electric wheelchairs, but can also be used as a sign indicating barrier-free facilities.
