1. Lightweight door closer, automatic adjustable door closer, light weight alloy spring door closer. 2. High-quality door closers are made of metal, spring-operated, fully automatic closing, providing a convenient and secure experience, helping protect your doors and locks. 3. Automatic door closers feature adjustable tension screws for controlling slow or fast closing speed, allowing you to adjust the closing rate to suit the environment where the door is installed. 4. Universal design fits both left and right swing doors, ideal for home, office, and hotel room doors. 5. Provides a convenient and secure experience for your doors and locks. Name: Automatic door closer Color: Black + Silver Material: Metal Size: 12.8 x 16.8 x 3.5 cm Package Contents: 4 x Screws 1 x Steel plate 1 x Rod 1 x Adjustment rod 1 x Door closer body Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.