【HIGH QUALITY】The automatic door closer is made of high quality stainless steel and surface paint, which is strong and corrosion resistant, not easy to deform and can be used for a long time. 【REDUCE CLOSING FORCE】Automatic door closer It can decrease the force when closing the door to prevent the door from being damaged. Protects the door from damage and reduces noise. 【ADJUSTABLE DOOR CLOSER】This lightweight door closer is easy to install and just needs to be installed and bolted between the door frames. You can also adjust the tension of the spring load by adjusting the screw on the door closer so that the door closes slowly or quickly. 【RESISTANCE ADJUSTMENT METHOD】 To adjust the force, you must first remove the pin, then turn the tail with an Allen key, and finally align it with the appropriate hole and insert the pin. The door closer chamber door reduces the force when closing the door. Closes fully automatically and can be controlled in speed and provides you with a safe door