1 304 stainless steel flap barrier 2 Heavy duty flap barrier 3 RS485&TCP/IP communication flap barrier 4 CE approved barrier outdoor flap barrier and swing barrier Flap barrier power consumption50WFlap barrier housing material1.5--2mm,304# stainless steel,corosion resistantFlap barrier motorDC brushless motorFlap barrier channel width500--600mmFlap barrier pass speed40 persons/minFlap barrier ...