MC-38A Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System Product features: 1. Compact and easy to install 2. Stable performance and long service life 3. It is not easy to break, and has the characteristics of pressure resistance, impact resistance and corrosion resistance 4. A switch mainly composed of two parts of a switch and a magnet. The door magnetic switch is small in size and suitable for various door types 5. Wide range of use: suitable for urban security, widely used in home, hotel, shopping malls, hospitals, warehouses and many other fields of door and window installation Product parameters: Model: MC-38 Color: Brown Appearance size :27*14*8 mm Operating distance: 16mm 8mm Switching voltage: 100VDC Load current: 100mA(maximum, can be customized) Switch output: Normally closed Wire: 24 Awg, length about 350mm Surface mounted, suitable for non-iron door or window surface mounting Model: MC-38A Color: Brown Switching voltage: 60VDC Load current: 150mA Appearance size :27*14*8 mm Operating distance: 18mm 10mm Wire: 24 Awg, length about 350mm Switch output: Normally open (normally open: magnet close to close the circuit) Installation method: SMD (by screw or double-sided tape) Application suggestion: Wooden door window Attention: There are two types of reed switches: "normally open" reed switches and "normally closed" reed switches. When there is no magnet near the switch, the metal reed that usually opens and closes remains open. In the presence of a magnetic field, the contact of the normally open reed switch will close. The normally closed reed switch closes when it is not near the magnet; When the magnet approaches it, the normally closed switch will open Shipping list: Door status switch *2 Screw *4 _x000D_