Discover the robust Magnasphere HS-1453 Roll up Door Bracket, featuring the innovative HS-L1.5 pre-mounted on the left side for enhanced security. This product is UL 634 Level 1 certified for high security on both in-swing and out-swing doors, ensuring top-notch protection. It incorporates MAGNASPHERE switch technology for reliability and includes both single and dual alarm contacts for versatile use. Installation is a breeze with no adjustments or brackets required for most setups. The design includes solid color-coded lead wires, integrated removal/pry tamper protection without back plates, a low profile, and convenient two-hole mounting. Upgrade your security solutions with Magnasphere today and experience peace of mind with a seamless installation.