Welcome to the store! 【Adjustable Tension】: This automatic door closer features an adjustable design, allowing you to freely adjust the closing force with the included adjustment lever. Enjoy increased convenience and smooth door closing. 【Zinc Alloy + Stainless Steel】: Crafted from high-quality zinc alloy and stainless steel, this automatic door closer boasts a uniform design and electroplating process, making it rust-proof, corrosion-resistant, and durable. 【Quiet Noise Reduction】: The automatic door closer utilizes nylon rollers, ensuring quiet operation while reducing noise generated during door closing. It also minimizes damage to the door caused by forceful impacts and prevents you from forgetting to close the door. 【Size】: The automatic door closer measures approximately 6.5 * 4.9 * 1.2 inches, suitable for doors weighing 20-40 kg with a maximum door width of 1 meter. Designed for both left and right-hand doors, it's ideal for homes, hotels, offices, and dormitories. 【Saves Time and Energy】: This door closer reduces door closing force, prevents door damage, minimizes closing noise, and automatically closes the door. No more worrying about forgetting to close the door! Note: Data is measured manually. Please allow for a 1-3 cm error. Due to differences in lighting and display, there may be slight color variations, which are subject to the actual object received. Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!