About laser Listener DIY a laser bug

by Future Laser Posted on 3928 views 0 comments

About laser Listener DIY a laser bug

 

Spy novels I saw a long time ago, It means firing a laser beam onto the window,
Then, the voice can be recorded according to the vibration of the returned beam.

Author

Future Laser

Leave a Reply

Your email address will not be published. Required fields are marked *