Motorized mechanism with a compact stainless steel housing for unit body (SUS304) with satin finish for both single and double version. Mechanism adjusted for precision operation, shock absorption system and overheating protection system when traffic overflow. LED indicators for operation of the passages in one or both directions Unit operability warranted for 2 million operations thanks to ZK's patented greasing system Rotating tripod arms stainless steel tubes of 38mm diameter, electronically collapsible in case of emergency. Can be integrated with fingerprint, facial and RIFD terminals. Easy access to control devices installed inside and easy fixing to floor. Capacity control system and anti-tailgate function. Through ZKAccess software can offer control zones functions.