Automatic Door Closer-The Spring Buffer Automatic Door Closer is a lightweight and easy-to-install device that can be used on fireproof doors and hallway doors to ensure safe and easy closing. With its strong spring and buffer, it closes the door smoothly and quietly. Durable and Long-lasting-The Door Closer is made of high-quality materials that make it strong and durable. It has a long lifespan and requires minimal maintenance, making it a cost-effective and reliable solution for your door closing needs. Space-saving design-This compact Door Closer is designed to take up minimal space, allowing you to fully utilize your living or working space. The small size of the device also makes it easy to install in a variety of settings, without having to worry about it interfering with other objects or equipment. Adjustable Closing Speed-The Door Closer has an adjustable closing speed that allows you to control the speed at which the door closes, making it suitable for a variety of settings and door sizes. The adjustable speed also makes it easier to open and close the door, providing a smoother and more convenient experience for the user. Easy Installation-The Spring Buffer Automatic Door Closer is easy to install and comes with the necessary hardware you need for a hassle-free installation. The compact size and lightweight design of the device also make it easy to position and adjust as needed. Weight: 293g Color includes: steel color, black, gold Product weight capacity: about 20-40kg Material: stainless steel Surface treatment: glossy Scope of application: shopping mall access doors / apartment doors / security doors Package includes: 1pc* door closer