Adjustable speed The main feature of this door closer is that the door closing speed is adjustable. You can adjust the door closing speed according to the speed you and your family enter and exit. For families with children and the elderly, it is recommended to set a slower speed 45-65 kg This automatic door closer is suitable for doors with a door width of 600-1200 mm and a door weight of 45-65 kg. It closes easily and is not likely to fall. Please check before purchase whether your door meets the requirements High-quality aluminum alloy The adjustable door closer is made of high-quality aluminum alloy. Optically, the silver metallic color can be easily combined with doors of different colors. In terms of performance, the product is lightweight and has good rust and corrosion resistance. Performance, not easy to damage Long service life: The spring buffer door closer has been tested and can reach 1,000,000 operating cycles. It has a long service life. It will not cause any sudden speed changes or failure during use. You and your family can use it with peace of mind Universal - This door closer is suitable for many types of doors, such as left and right doors, wooden and metal doors, civil and commercial doors, fire doors, etc. The characteristics of automation make the product very convenient to use. If you have any questions, please contact our staff. Our staff will reply to you on working days Functions: 1. The main feature of this door closer is that the door closing speed is adjustable. You can adjust the closing speed of the door according to the speed you and your family enter and exit. For families with children and the elderly, it is recommended to set a slower speed. 2. This automatic door closer is suitable for doors with a door width of 600-1200mm and a weight of 45-65kg. Closes easily and does not fall off. Please check whether your door meets your needs before purchasing. 3. The adjustable door closer is made of high-quality aluminum alloy. From an optical point of view, the silver metallic color can be easily combined with doors of different colors. In terms of performance, the product is light in weight and has good rust and corrosion resistance. Performance, not easy to damage. Technical specifications: Door width 600-1200 mm, suitable for door weight 45-65 kg. Center distance: 162 mm x 19 mm. 1 hour test. Adjustable locking/latching speed. Tested for 1,000,000 operating cycles. Suitable for left and right doors. Package: 1 x adjustable door closer.