
Heavy-Duty UV-Resistant Turbo Spiral Door Seal for Optimal Security. High-Speed Operation: Adjustable opening speed from 0.8m/s to 2m/s for efficient traffic flow. Durable Aluminum Construction: 1.5mm double-layer stretched aluminum sheet with polyurethane foam filling. Advanced Safety Features: Includes photoelectric protection, wireless anti-pinch system, and safety detectors. Premium Servo Motor: XINHUAFA servo motor with IP65 protection level for reliable performance. Customizable Dimensions: Maximum size up to 8000mm width x 9000mm height to fit various spaces. Versatile Control Modes: Supports button, remote, geomagnetic, radar, access control, and Bluetooth. Lifetime After-Sales Service: Comprehensive lifetime service support for long-term product reliability. Robust Transmission System: Double row chain and sprocket drive with 55CrSiA spring for balance.