High Quality MaterialThe automatic door closer is made of high quality aluminum alloy, chrome plated, anti-rust and durable. The bracket is made of chrome-plated plastic to avoid metal friction noise. Adjustable DesignThe closing speed and spring tension can be adjusted. First remove the pin, then turn the tail with a hex key and align it with the appropriate hole, then insert the pin. Can adapt to the actual needs of the door.Mute the DoorThe tool acts as a silent tool. It can close your door slowly and silently, without affecting your normal rest and sleep. And it allows you to go out worry-free, and you don't have to bear the cold wind in the winter house.Easy to InstallThis lightweight door closer is easy to install and only needs to be installed between the door frames and screwed. You can also adjust the spring loading tension by adjusting the door closer screw to make the door close slowly or quickly.Widely UsedThis product is suitable for all wooden and aluminum doors in houses, hotels, apartments , etc. The package includes all mounting accessories. This product can be used to retract the arm when not needed, or it can be installed on the left and right doors.