HIGH QUALITY - This automatic door closer is made of commercial-grade aluminum alloy and features a hydraulic operation for fully automatic closing. The closing speed is adjustable, providing convenience and safety while protecting your door and lock. SAFETY - This door closer helps keep you and your loved ones safe by ensuring the front door closes automatically, helping to prevent unauthorized entry. It offers added peace of mind, especially in homes or buildings with frequent foot traffic. QUIET OPERATION - The door closer reduces noise when closing, allowing the door to shut slowly and minimizing damage caused by slamming. It also helps prevent doors from being left open accidentally. APPLICABLE DOOR TYPES - Suitable for metal doors, fire doors, wooden doors, residential doors, and commercial doors. This interior door closer works well with most doors weighing under 10kg. It is an ideal solution for homes, offices, and hotel room doors. EASY TO INSTALL - Comes with all necessary screws and mounting hardware. Includes installation instructions for quick and efficient setup of the hydraulic door closer.