Stadium Timed Charging System Tripod Turnstile Access Control Gate for Sports Venues Product Description Stadiums, sports centers, swimming pools and other pay-as-you-play venues often lose revenue when passes are lent to others or shared among several people, while manual timing and billing at the front desk is slow and error-prone. The Kemaisi KMS-G6540 stadium timed charging system tripod turnstile solves both problems in one device. Members and visitors pass through with