Are you looking for a professional, yet affordable automatic door closer? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional automatic door closer must meet you needs. It is one of the best choices for you. Feature - Material: Stainless steel, iron, nylon. - Size: About 16.00X10.00X2.10cm/6.29X3.93X0.83inch. - Suitable door weight: 30 (kg). - Suitable for door width: 1000 (mm). - Closing speeds: 3 (s). - Premium materials and good craftsmanship ensure its durability and practicality. - The automatic door closer solves the bad habit of forgetting to close the door when you go out. - It can effectively reduce the door closing buffer force and prevent door damage. - It can be used at home, school, dormitory, shopping mall and other places.