Glass Lane Pure optical turnstile system unilizing Turnstile Security's unique Beam Scan optical detection solution. Standard finishes - stainless steel pedestals with clear 1/2" glass panels, Includes 1/4" anti-tailgating range, low false alarm occurences due to beam scanning pattern detection, and multi-directional card stacking. Unique visible and audible enunciators single out tailgaters, allowing lobby staff to focus on only the exceptions.