Video: Cadets of Voronezh Air Force Academy Create Spy Stone

The cadets of the Voronezh Air Force Academy have invented a spy stone. This stone contains a camera and a microphone and is activated by a motion sensor. This information was reported by Lenta.ru.

It is noted that the scientific supervisor of the cadets brought the idea of the 'surveillance robotic complex' from Syria, and there is no analog of such a stone in the armed forces.

According to the publication, 'When the motion sensor is triggered, the stone comes to life.' It is reported that it has a camera and a microphone, and the device can record for about 15 hours.