Integrated retractable door (www.fsyinglong.com) material used in all high-strength low-carbon steel, compact structure, high strength; surface hot dip galvanized + color spray embalmed. Product vacant walking, no wheels touch the ground, without laying rail installation (can not install a flat surface, such as: slope, road side ballast, etc.), low noise smooth operation, high performance, low failure rate, the service life of up to 10 more years. Security and anti-climbing with infrared anti-collision system: When pedestrians and vehicles running through the retractable door, the door will automatically pause; When the people and vehicles leaving the door automatically resume operation. When armed state, if a person crossing, installed in the post on the lights, siren will immediately audible alarm, loudness more than 100 decibels. Integrated retractable doors by remote control, buttons, manual, card (optional), a password to open the door (optional), and other operation. Door rugged, clean lines, rich colors (with the surrounding fence, building coordination with shades), imposing.