Can the electric door be turned on by hand?
Yes. But very complicated.
Common electric doors generally have two! One is the electric sensor door (sub-open and translational type), this door after the power outage only need to push to open! There is also a curtain, electric device at the top of the door, usually after the decoration is invisible, only one chain outside the ceiling. After the power outage need to manually move in a direction to slowly open the chain! The The Not common in the use of financial units, with access control. Need to password or fingerprint identification system to open, power outages are generally open, unless it is to use high-tech crack or man-made damage Caixing! Do not ask friends to personally try yo! The The