This Nascom N505AU/STP1 magnetic contact is the perfect addition to any home surveillance system. Its reliable performance and durable construction make it a great choice for those looking to keep their homes safe and secure. With its brand name Nascom, type as Door Contact, and model number N505AU/ST1, this device is suitable for use in various categories including Sensors & Motion Detectors, Home Surveillance, Surveillance & Smart Home Electronics, and Consumer Electronics. Whether you're looking to upgrade your current security system or starting from scratch, this magnetic contact is a great choice.