... , 2 304 stainless steel, 3 anti-damp, dust-proofing outdoor optical double flap barrier pedistrain security product flap barrier Power ... enviroment temperature minors 30C to 70 C Working environments indoor,outdoor Relative humidity ≤95% coagulation free MCBF 2,500,000 ... control module,motor&driver module,infrared photocell,alarm device,limit switch and voice prompt device etc., can be used for the ...