HIGH QUALITY - This automatic door closer is made of commercial-grade aluminum alloy and features a hydraulic operation for smooth, automatic closing. The closing speed is adjustable, providing convenience and safety while protecting your door and lock. SAFETY - This door closer helps keep your home secure by automatically closing your front door, reducing the risk of unauthorized entry. It offers added peace of mind, especially in homes or buildings with frequent foot traffic. QUIET OPERATION - Designed to minimize noise, this door closer ensures a slow and controlled closure, reducing the impact on the door and preventing damage from slamming. It also helps prevent doors from being left open accidentally. APPLICABLE DOOR TYPES - Suitable for metal doors, fire doors, wooden doors, and commercial or residential doors, this door closer works effectively on most standard interior and exterior doors weighing up to 10kg. Ideal for use in homes, offices, and hotel rooms. EASY TO INSTALL - Includes all necessary screws and mounting hardware. Comes with clear installation instructions for quick and efficient setup of the hydraulic door closer on your door.