Durable aluminum alloy automatic door closer with adjustable tension for smooth, quiet, and reliable door closing performance. Features: Adjustable Tension Design: Automatically closes the door and allows you to adjust the closing force based on door weight for optimal performance. Premium Aluminum Alloy: Made of high-quality aluminum alloy, rust-resistant, wear-resistant, and built to last for long-term use. Reinforced Arm Rod: Solid arm construction reduces breakage risk and slows down the closing speed, extending door life. Smooth and Quiet Operation: Ensures a silent and gentle closing motion, preventing noise and impact damage. Easy to Install: Comes with complete mounting accessories, compatible with most standard doors, offering a sleek and functional design. Specifications: Material: Aluminum Alloy Door Closer Size (LxW): 17 x 9.9cm (approx.) Load Capacity: 20 to 40kg Color: Silver Package Contents: 1 x Door Closer 1 x Installation Accessory Set Please Note: Ensure the door frame and door panel are properly aligned before installation. Adjust the tension according to the door weight for best performance. Due to manual measurement, there might be slight differences in size.