5PCS Magnetic Reed Switch, Normally Closed NC Contact Sensors Surface Mount Security Alarm Switch for Door Window Drawer, White

• Universal Compatibility: The security sensor is compatible with most wired alarm panels. The alarm switch ensures millions of reliable operations
• NC Sensor Switch: The magnetic reed switch can trigger the alarm when 2 units are seperated. NOTICE: When both units are in contact, circuit is closed, which is denoted as the "normal" state in alarm installation
• Reliable Material: This switch alarm is made of plastic, robust and not easily affected by moisture and dust
• Quick to Set Up: Use adhesive or secrews to fix the sensor on doors and windows. Connect it to a wired alarm control panel via 2 wires
• Wide Use: The surface-mounted sensors effectively enhance the security of your home, office, garage, or shed. Works on various door, window, drawer, cabinet or anywhere an opening needs to be monitored

Sensitive Detection: The normally closed (NC) sensor switch triggers siren instantly upon any unauthorized opening of doors or windows. Perfect for safeguarding your home, office, or garage against burglars, it provides reliable security you can count on. No External Power Needed: Connect to wired alarm control panel, GND (Positive) Connect with NC(Negative) ports directly which make signal stability and no trouble for the battery. Note: These Wired Reed Switches means it needs wire to connect with the alarm control panel. Wide Use: Its versatility extends to a wide range of applications, works on manyl types of doors, windows, cabinets, and even drawers, a flexible security solution for any space that needs to be burglarized, keeping your personal and belongings safe. Specification: Name: Magnetic Reed Switch Material: ABS Size: 6.4*1.9cm/ 2.5*0.7in Sensing Distance: 15-25mm Maximum Power: 10W Maximum Voltage: 100V Maximum Current: 0.5A Package Included: 5 * Magnetic Reed Switch