Efficient Security Enhancement: This automatic door closer provides a reliable and solution for closing doors automatically, enhancing security and convenience in your home or office. Adjustable Closing force: Easily adjust the closing force to suit doors weighing between 40-65kg, ensuring a smooth and controlled door closing experience. Hydraulic Buffer Technology: Equipped with advanced hydraulic buffer technology, this door closer operates quietly and efficiently, preventing slamming and reducing wear. Easy Installation: The set includes all necessary hardware for a quick and easy installation, making it suitable for most door types without the need for professional help. and Compact: Designed to be both and compact, the closer remains hidden and unobtrusive, maintaining the aesthetic appeal of your environment. Colour:Silver Material:Metal Package Contents: 1 * concealed door closer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.