General description The Automatic Door Closer is a high-quality, adjustable device made from sturdy aluminum alloy. It is designed to provide a reliable closing mechanism for both residential and commercial doors, ensuring a quiet and comfortable environment while protecting the door from damage. Technical specifications Material: Aluminum alloy Color: Black Size: Approximately 6.5 x 4.9 x 1.2 inches (16.5 x 4.9 x 1.2 cm) Suitable for door weight: 20-40 kg Door width: 1000 mm Maximum door opening angle: 175 degrees Compatibility and accessories Compatible with left and right swing doors Suitable for wooden, metal, residential, and commercial doors Includes: 1 automatic door closer, 4 screws, 1 inner round key, 1 protective door seal Installation A door frame must be present, with a width of more than 3 cm Follow the provided instructions for installation Usage Adjustable tension allows for slow or quick closing Ideal for various settings including homes, offices, hotels, and fire doors