🔒 Secure Your Space, Elevate Your Peace of Mind! Ideal for both home and factory settings. Attractive cover hides screws for a clean look. Weighs only 3.84 ounces for easy handling. Screw terminal design for quick setup. Works with any wired alarm or access control system. 9.84x5.91x0.39 in 28V Power Contact Sensor Tech The 5 Pack NC Magnetic Switch Contacts are designed for easy installation and seamless integration into any wired alarm system. With a sleek design that conceals mounting hardware, these sensors provide robust security for both residential and industrial applications. Weighing just 3.84 ounces, they are lightweight yet effective, ensuring your safety without compromising aesthetics.