... are reserved for the other functions.9. Green light and red light are used inside for indication the position of ... aluminum alloy die-casting motor base reduce the noise and joint abrasion to prolong the barrier gate working life. ... Turnstile, Tripod Turnstile,Security Tripod Turnstile,Safety Tripod Turnstile,Access Control Tripod Turnstile,Semi-automatic Tripod Turnstile,Automatic Tripod Turnstile, ...