Magnetic Contact Alarm System with Zinc Case for Floor Roller Door
Durable zinc alloy casing ensures superior corrosion resistance and long-term reliability in harsh environments. Precision-engineered magnetic sensors deliver instant detection with a 15mm gap tolerance for seamless performance. Ideal for securing roller doors, garages, windows, and warehouses with loud 90dB alarm triggered by unauthorized entry. Easy DIY installation with adhesive backing or screw mounting—no wiring required. Certified by CE, FCC, ROHS, and CCC for guaranteed safety and global compliance. Low-power design supports extended use with replaceable batteries. Perfect for homeowners, businesses, and industrial facilities seeking affordable, high-grade intrusion alerts. Bulk discounts available for wholesale buyers.