... barriers,Safety barriers,Security barriers,BS-306(AC) / BS-306(DC) Technical specifications:Model: BS-306 (AC) Power supply: 220VAC 50HZ Motor ... -50oCProtection class: IP44Model: BS-306(DC)Power supply: 220VAC 50HZ Motor's power: 80W 24VDCMax length of boom: 6m Time for ... photocell, Airwave switch, loop detector, back-up battery(for DC Motor), toll gate system and output terminals for lamp.