Features: 1. Working with any kind of doors - wood / metal or indoor / outdoor. 2. Two-stage speed control, flexible use, control the door closing speed by yourself, 1st stage speed control: door lock speed adjustment. 2nd stage speed: door closing speed adjustment. 3. Universal mounting for right or left hinged doors, bearing weight: 15-45KG, suitable maximum door width: 900mm. 4. Silent and smooth, smooth and flexible, stable performance automatic door closer. 5. It is easy to install, suitable for different door frames, and can be adjusted according to the requirements of the door, making installation more convenient. 6. The whole body is strong, not easy to deform, not easy to leak Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. 2. Objects may have Logo, if you want to know, please contact us. If you mind, please do not bid. Specification: Type: Hydraulically Operated Automatic Door Closer Bearing weight: 15-45KG Maximum door width: 900mm Size: Length 146mm, long hole distance 132mm, width 37mm, wide hole distance 19mm, connecting rod/rocker length: 240/200-270mm, height 56mm Scope of application: wooden doors, steel doors, fire doors, etc. Function selection: 90degree positioning/135degree Package List: 1 x Automatic Door Closer