Came's 500 E-S product is a single bidirectional electromechanical or motorized (optional) tripod turnstile in brushed stainless steel AISI 304, AISI 316 (optional), or painted finish, complete with status indicators on the sides. Available in a version with fixed arms or with a arm drop system. In case of power outage, the turnstile allows free passage (free rotation in both directions in the version with fixed arms, horizontal arm drop in the arm drop version).