Emergency Door Release Break Glass Call Point | Green Plastic Surface Mount | Double-Pole Manual Override for Magnetic Locks Access Control (Call Point with Alarm Cover)INSTANT EMERGENCY RELEASE Break the glass and press to immediately unlock doors controlled by magnetic or electric locks, ensuring safe exit when power or system failures occur. HIGH QUALITY & DURABLE Constructed from high grade ABS plastic, our call point ensures durability and longevity. EASY INSTALLATION This Emergency Break Glass Call Point is designed for surface mounting, making installation a breeze. VERSATILE USE Comes equipped with COM NO NC