The BGF-5xx high-volume barrier gate with an articulating or folding arm is operated by a direct drive motor and encased in a stainless steel housing, which is rust-resistant & durable in northern climates as well as equatorial salt-water environments. These automatic barriers gates offers multiple i/o, programmable speed selection & auto-reverse upon obstruction. Red or green illuminated panels provide additional visual indicators for Drivers. This folding arm is designed to allow for the highest possible clearance to the ceiling.