(2). Emergency-escape function: the middle arm will drop down automatically by pressing the emergency button which can be remote-controlled whether the power is on or not.
(3). Structure has no motor.
(4). Both directions can be set as controlled mode or free mode.
(5). NO mode & NC mode can be switched over by users easily & freely.
(7). With interface of relay switch (the dry contact signal or +12V electrical level signal or DC12V pulse signal of pulse width ≥ 100ms, driving current ≥ 10mA), compatible with all kinds of access controllers. (8). Each machine can be set by Physical Address(Optional).