ThinkGeek Annoy-A-Tron - Turn On, Hide It and Laugh

This evil little gizmo is designed to be hidden somewhere where it can never be found and emits annoying beeping sounds randomly in 2-8 minute intervals.

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SO SMALL YET SO SINISTER. How can two small noise devices create such havoc? These annoying beep pranks will become your favorite of all pranks and

Larkmo Funny Hidden Annoying Beeper Office Prank Devices, Hidden Noise Maker Includes Multiple Sounds, Cricket Chirp, Beep & More, Makes A Great

Found in office, was beeping. : r/whatisit

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