Automatic Closing: This automatic door closer ensures that your doors close securely every time, providing convenience and peace of mind. It is ideal for high-traffic areas in both commercial and residential settings, helping to maintain temperature control and safety. The self-closing door mechanism is reliable and efficient, preventing doors from being left ajar and improving energy efficiency. This hydraulic door closer offers a smooth and controlled closing motion. Adjustable Closing Speed: Customize your door's closing speed with this adjustable door closer. The adjustable settings allow you to fine-tune the closing speed to suit your specific needs and preferences. Whether you need a quick close for security or a slower, more controlled close for ease of use, this commercial door closer provides the flexibility you need. This door slow closer prevents slamming and ensures a soft and quiet closing. Durable aluminum alloy: Made of high-quality aluminum alloy, this door closer is built to last. The robust design ensures long-lasting performance and reliability, even in demanding environments. This residential door closer is designed to withstand daily use and resist wear and tear, providing years of reliable service. The aluminum alloy material also offers excellent corrosion resistance, making it suitable for both interior and exterior doors. This door accessory is a great addition to your home. Specifications: Size: S: Length: 22.4cm, Width: 14.4cm, Height: 3.6cm M: Length: 25cm, Width: 17.5cm, Height: 3.8cm L: Length: 28 cm, Width: 20.2 cm, Height: 3.9 cm Material: Aluminum alloy Package includes: Door closer x 1 Screw package x 1