Features: Premium wall mounted aluminum alloy detector guard offer strong protections against impacts and erosion, featuring a vented design to maintain sensors functionality while safeguarding fire safety equipment in residential/commercial spaces. Crafted with lightweight yet robust aerospace grade aluminum, this protective cage combines high strength shielding with optimized airflows through its perforated structure, ensuring unobstructed detection and easy visual inspections. Ideal for homeowners, property managers, and hospitality businesses seeking stable fire safety solution that prevent accidental damage to detectors and sprinklers in high areas. Perfectly suited for installation in apartment corridors, hotel rooms, office ceilings, and other confined spaces where wall mounted fire prevention devices require impacts resistant yet discreet protections. This erosion resistant aluminum fire safety accessory seamlessly blends industrial grade protections with modern aesthetics, serving as both a functional shield and subtle architectural enhancement for detectors and sprinkler heads. Specifications: [component ]: Aluminum alloy, metal [Product Size]: 132x50mm, 157x69mm, 174x75mm [Product Weight]: 105g, 165g, 165g [Color]: Silver-gray [Applicable objects]: detector, sprinkler [Applicable scenarios]: Package Includes: Wall-mounted hollow protective cover protective cage, packaging bag note: Please allow 1-2cm errors due to manual measurement.  Please allow for slight color differences due to different display resolution