Overview This Automatic Punch-Free Sensor Door Closer is designed for users seeking a secure, convenient, and damage-free door closing solution. It features an adhesive-based, tool-free installation that leaves no holes or marks, making it ideal for both residential and commercial spaces. With advanced sensor technology and durable construction, it ensures reliable automatic door closure while enhancing safety and space efficiency. Product Details Engineered for effortless installation and versatile use, this door closer combines high-strength materials with intelligent sensor technology. It fits a wide range of door types—including interior, exterior, fire, screen, and sliding doors—and operates quietly with a hydraulic safe-shutoff mechanism. The weather-resistant build ensures long-term performance in various environments. Key Features 1. Easy Installation – Our door closer is designed for quick, tool-free installation using a strong adhesive method that requires no punching or drilling. The high-temp resistant adhesive ensures a secure, lasting hold without damaging the door or wall, making it suitable for wooden, metal, residential, and commercial doors. 2. Advanced Sensor Technology – Equipped with an intelligent sensor system, the door closer provides automatic, hands-free operation, adding convenience and an extra layer of security to any space. 3. Versatile Application – Compatible with left and right-opening doors, interior and exterior doors, fire doors, screen doors, and sliding double doors. Ideal for homes, offices, sheds, ranches, restrooms, and commercial settings. 4. Weather-Resistant & Safe Design – Built with anti-oxidation and anti-corrosion materials to withstand varying weather conditions. The hydraulic mechanism and safe shut-off device ensure quiet, controlled, and secure door closing. 5. Robust Construction – Features a steel drawstring sliding screen and a high-quality steel wire rope tested over 50,000 times for durability. The sturdy design delivers a strong 1200G pull force, suitable for doors requiring firmer closure.