Controlled Closing: This door closer ensures a controlled and smooth closing function, prevents slamming and reduces noise. Its precise mechanism ensures that doors close securely every time, increasing the security of the building. The controlled closing also minimizes wear and tear on the door and frame, extending their lifespan and reducing maintenance costs. Suitable for various door types, this feature provides consistent performance in various environments, from offices to residential buildings. Positioning Function: The integrated positioning function allows the door to be kept open at a desired angle, providing convenience for various activities such as moving objects through doorways or facilitating ventilation. This feature eliminates the need for manual set-up, ensuring safety and preventing accidental closings. Designed for ease of use and reliability, the positioning mechanism offers a practical solution for both residential and commercial environments. It improves accessibility and functionality, making it an ideal choice for high-traffic areas. Sturdy Construction: Made from high-quality aluminum alloy, this door closer offers exceptional strength and corrosion resistance, ensuring long-lasting performance even in demanding environments. The robust construction can withstand frequent use and varying weather conditions, making it suitable for both interior and exterior doors. Its durable design minimizes the need for replacements, providing a cost-effective solution for maintaining the door's functionality and safety for an extended period. The aluminum alloy also contributes to a sleek and modern aesthetic. Specifications: Size: S: Length: 22.4cm, Width: 14.4cm, Height: 3.6cm (Suitable for door weight 25-65kg) M: Length: 25cm, Width: 17.5cm, Height: 3.8 cm (Suitable for door weight 65-85 kg) L: Length: 28 cm, Width: 20,