The BLG series effectively prevents unauthorized vehicles and pedestrians from gaining access. These gates are designed for intensive use and can function in a wide variety of weather conditions. The BLG77 recently ETL certified to UL 325 standards to insure maximum user protection and is IP enabled for remote access allows you check the gate status. The spring balanced arm and direct drive motor provides an impressive ROI. The BLG76 is ETL certified to UL 325 and resistant to environmental conditions to IP44.