About This Item:How to use: The storage rack need to be used with the wall mounted charger. Charge synchronously when stored. Blind plug design, easily inserted even if it is misplaced during use.Design: With 9 card slots, wall mount does not take up floor space. Reasonable distance and will not scratch the wall. Highly reasonable, as high as the waist, making storage more labor-saving.Balance and stability: Use 2 red plugs to dock at the charging dock in a close fit; use nuts to fix to ensure the balance and stability of the extension rack.More convenient and safe: Our Attachments Holder is designed to be separately attached to the wall. Effectively avoid hurting children and prevent the vacuum cleaner from being knocked over and broken.Features:-Made of hi.