Durable Construction: Made of high-grade metal, our 4-piece garage door sensor brackets are built to last. They are rust- and wear-resistant, ensuring reliable performance in a variety of environmental conditions, effectively meeting users' demands for durability. Best Security Enhancement: These sturdy garage door sensor brackets are built to withstand harsh weather and external interference. By strengthening the garage's defenses, they provide the assurance and peace of mind of home security, meeting consumers' expectations for security enhancements. Easy Installation: These mounting brackets are designed to be conveniently installed quickly and easily without professional assistance. Their user-friendly settings save time and satisfy DIY enthusiasts, simplifying the installation process to a few simple steps. Universal Fit: Our brackets are designed to fit a variety of standard garage doors, making them a universally compatible solution for almost all systems from brands such as for Craftsman, for Chamberlain, and for Liftmaster, proving their versatility and wide application. Great Value: These metal brackets are built with superior quality and durability, ensuring long-term performance, enhanced security, and easy installation. It's an investment in garage functionality that guarantees great satisfaction and cost-effectiveness. Colour:Black Material:Metal Package Contents: 4 * Garage door sensor bracket 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.