Easy Installation: This Surface Mount Door Closer can be quickly installed on door surfaces without complex adjustments, making the Automatic Door Closer suitable for various door types and convenient for DIY or professional applications Hydraulic Mechanism: The Automatic Door Closer features a hydraulic door closer design that ensures smooth and controlled door closing, preventing slamming Robust Construction Material: Crafted from sturdy materials, the Automatic Door Closer withstands daily wear and al factors, ensuring reliable operation whether installed indoors or in sheltered outdoor entries Versatile Use: Designed with residential needs in mind, the Automatic Door Closer provides consistent door closing performance for homes, apartments, and condos The spring adjustment on this closer allows fine tuning of the closer arm to allow silent closing of the door, Manufacturer: NIUSABOU