There are plenty of pages online that explain how to do it yourself: http://www.instructables.com/id/Laser-Surveillance-System-for-under-$20/ http://www.instru

There are plenty of pages online that explain how to do it yourself: http://www.instructables.com/id/Laser-Surveillance-System-for-under-$20/ http://www.instructables.com/id/Laser-Surveillance-System-fo... http://hacknmod.com/hack/how-to-long-range-laser-microphone-spying/ http://hacknmod.com/hack/how-to-long-range-laser-microphone-...