Features:
* Passage in both directions, electronically controllable.
* Color is optional: black, grey, blue and red. Please note that the color of moving doors framework is always black.
* In the event of a power failure, isolation or after the battery back op has been depleted, the outer, un-secure door will be un-locked and can be manually pushed open. The inner, secure door can be manually opened by rotating a knob located behind the lockable service panel in the top mechanism section of the booth.
* In the event of emergency, a signal can be sent to the booth controller to command either, the secure, non-secure or both doors to open.
https://www.chinaautomaticdoor.com/automatic-door-gate-operator/safety-booth.html