The Sentry by Cyndr is an intruder notification device created to keep personal space personal. Sentry uses infrared technology to detect persons behind the user, and connects to a computer via USB. When triggered, it activates an alert to notify the user of incoming people. Sentry currently runs on Windows machines, with future iterations porting to additional operating systems.
Cyndr
Cyndr Sentry is the first infrared motion-sensing device for your personal work or game space.