Elevator Hoistway Door Release Key (Europe)

With this parametric hoistway door release key you can unlock an elevator's hoistway doors in case of an emergency.

### Be careful: Usually there's nothing behind the door but [a deep hole](http://bit.ly/2HITLir).
Be sure to read some [manual](http://docplayer.org/79465906-Betreiber-dokumentation-befreiung-eingeschlossener-personen.html) so you know what to do.

[Triangle locks](https://www.google.com/search?q=elevator+triangle+lock&tbm=isch) like these are more common in Europe than in th