It is a kind of swing barrier with direction indicator and two ways access Special features: pedestrian swing barrier gates supermarket gates are used to control pedestrian and wheel chair access to buildings PLC controls allow connection to any type of access control or building management system Applications: office buildings, gyms, shops, retirement homes, schools, station, subway, airport and entertainment venues zero position self-checking function, which offers users a convenient way to use and maintain it, the warning function of indicating illegal intruders Function of anti-impulse: the expansion baffle wing-arm is self-locked before receiving the signal of opening the gate Infrared and mechanical anti-nipping function: when the expansion baffle swing-arm is blocked with something in the course of turning back, with little force, the motor will stop working in the regular time, and send out the alarm signal Function of automatic reposition: if one does not pass in the regular time set by the system after the card being read validly, the system will automatically cancel his/her passing right, the standard outward electric interface can be connected with many kinds of card readers and realize remote control and management through running the computer, the whole system is running steadily with low noise