Description: This set of magnetic sensor detector includes the wired part and the mating part, which is great for installed on doors of house, garage, warehouse, enterprise and shop etc. Keep your home safe with this set of door security accessories. Features: This is a set of magnetic detecting switch used to protect doors and windows for the most part. Protective device monitors the opening and closure of doors and windows.High quality magnetic sensor contacts with strong magnetic, sensitive respond and long durability.The wired part often be installed on the fixed door frame and the mating part is mounted at the corresponding place on the door.Easy to install and use. A good replacement for the old contacts. Simple to install no hassles. Specifications: Condition: 100% Brand New Material: Aluminum alloy Color: As Picture ShownSize(L x W x H): Approx. 106 x 38 x 10mm/4.2 x 1.5 x 0.4in Rated Voltage: 12V Rated Current: 120mA Sensing Distance: Within 50mm / 1.9in Package Included: 1 x Set of Magnetic Detecting Contacts Note: Can not used alone. Should work with the alarm system main unit for alarming. Features Secure your Property: This magnetic contact sensor is specifically designed for doors and windows, providing an added layer of security to your home, garage, warehouse, or any other property. It serves as a reliable alarm system to detect unauthorized entry or tampering. Easy Installation: The magnetic contact sensor is wired, making it easy to install and integrate into your existing security system. It comes with all the necessary mounting hardware, allowing you to quickly set it up and start protecting your property. Magnetic Switch Design: The sensor consists of two components - a magnet and a switch. When the door or window is closed, the magnet and switch are in close proximity, creating a closed circuit. When the door or window is opened, the magnet moves away from the switch, disrupting the circuit and triggering the alarm. Versatile Application: This sensor is suitable for a variety of applications, including residential homes, garages, warehouses, and other commercial properties. It can be used as part of a comprehensive security system or as a standalone alarm for specific entry points Reliable Detection: The magnetic contact sensor is designed to provide accurate and reliable detection. It can detect even the slightest movement of the door or window, ensuring that no unauthorized access goes unnoticed.