General description Keep your door open at any angle between 90° and 180° with this Automatic Hydraulic Door Closer. Designed for both commercial and residential use, it eliminates the need for external force or door stops, making it ideal for well-ventilated spaces or frequent movement of goods. The door will automatically close when pulled within 90°, providing convenience and enhancing your quality of life. Technical specifications Material: High-quality aluminum alloy Weight capacity: 25-45 kg Door width compatibility: 750-850 mm Closing speed control: Two independent valves for closing and locking speed Installation Comes with a detailed installation manual Includes an installation video for easy setup Simple and smooth installation process Usage Suitable for right and left opening doors Compatible with wooden and metal doors Ideal for residential and commercial applications, including fire doors, hotels, condominiums, apartments, and warehouses Other information Manufactured according to European production standards Passed CE, UL, 3C certification and fire test