Auto Door Opener or Closer 1, Provide closing and opening the door service. 2, Hot product, steady function 3, Unique design Auto Door Opener or ... Closer1, Provide closing and opening the door service.2, Hot product, steady function3, Unique designAuto door closer / openerSpecificationWidth ... 1 ~ 10W Dimension: 570mm x 80mm x 82mm Auto Door Opener or Closer (A-DD201)