Feature: 1. Durable Zinc Alloy Construction: The magnetic reed switch is built with a durable zinc alloy casing, providing excellent rust resistance and durability. 2. Strong Magnetic Properties: The switch is equipped with a strong magnet, ensuring a reliable and secure connection when the magnet is drawn close. 3. Responsive and Sensitive: The magnetic door switch has a quick response time and high sensitivity, enabling it to detect the presence or absence of a magnet accurately. 4. Easy Installation: The switch is commonly installed on fixed door frames, with its corresponding part installed on the door itself. The installation process is simple and hassle free. 5. Suitable for Alarm Systems: This magnetic reed switch is commonly used in door and window alarm systems, such as garages, warehouses, and shops, offering reliable detection and protection. Specification: Item Type: Wireless Door Window Magnetic Switch Material: Zinc Alloy, Magnet Current: 0.5A Voltage: 100V Power Rating: 10W Switch Type: NC. NC means normally closed: when the magnets are attracted together, the circuit conducts (light on); when the magnets are separated, the circuit does not conduct (light off). Package List: 1 x Sensor Switch 1 x Magnetic Block 4 x Screws 1 x User Manual