Six knocking sensors and special hammer. Players have to make knock in the only one correct sequence (programmable). As a result external mag.lock will open. 2m wire from each sensor to central box. You can build in sensors to 10mm depth.
We guarantee, that you as our Client will receive puzzles and props with good and proper quality and full completeness.
We provide 6 month warranty: spare parts or even replacement.
In case of any problems with our goods, we will help you to diagnose problem.