Features: Engineered for fast alert activation, this high strength push button delivers single touch signaling with durability for critical fire safety response. Features oversized operate surfaces with weatherproof housing and easy installation, combining high impacts resistance with accessibility in heavy duty industrial grade construction. Essential safety equipment for facility managers, school administrators, and homeowners seeking user friendly interfaces for all ages including elderly and mobility challenged individuals. Optimized for high traffics public spaces including shopping mall, hospitals, hotel corridors, and manufacturing plant where fire alarm activation prevents disaster escalation. Compliant with commercial fire safety standards, this alarm switches integrates seamlessly into existing security systems while maintaining operational readiness through extreme temperature fluctuations. Specifications: Component: Polytitanate Size: about. 105x140x45mm/4.13x5.51x1.77in Package Includes: 1pc Alarm Button note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.