Features: brand new and high quality Applicable door weight 40-55kg, door width ≤1000mm. Smooth, quiet and durable exercise provides you with quiet enjoyment. No positioning: the door can be closed automatically at any angle to avoid the phenomenon of not closing the door at will. Positioning at 90°: The door will stop when it is opened to ≥90°, and it will close automatically when it is less than 90°. It is suitable for places that require ventilation and move large objects. Two-stage speed regulation: The first stage adjusts the door closing speed, and the second stage adjusts the lock speed. Turn the for valve clockwise to reduce the speed and counterclockwise to increase the speed. The speed control for valve can only be adjusted in a small amount. Specifications: Material: Aluminum Type: Automatic Non-positioning/90 Degree Positioning Suitable for Door Weight: 40-55kg for Ideal Door Width: 600x1200mm/23.62x47.24inch Hole Distance Between Installation: 162x19mm/6.38x0.75inch Size: As Shown Package Includes: 1x Door Closer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.