1,security turnstile 2,1.5mm 304#Stainless steel 3,Infrared light ... ,Clamping avoid 5,bi-directional card swippin Door access control security turnstile made of 1.5mm 304#stainless steel with alarm ... lightoneCard-reading windowtwoTransit speed30—40persons per minute Door access control security turnstile made of 1.5mm 304#stainless steel with alarm ...