Features: 1. THE ULTIMATE PRANK: The AnnoyingPCB is the ultimate joke or revenge prank. Simply activate the sound generator and hide it. It will beep, scream, or make a cricket sound at random intervals of 5 to 45 minutes. Perfect for April Fool's Day pranks on your friends or colleagues. 2. COMPACT AND EASY TO HIDE: This super-small annoying sound device can be easily hidden in most places. This tiny sound prank is discreet and difficult to find. 3. 4 TYPES OF SOUNDS: With the push of a button, you can easily change the sound. Sounds include: a normal beep, a high-pitched beep, and a cricket chirping. 4. EASY TO HIDE: Play a prank on your friends, neighbors, or coworkers and drive them crazy! Hide it in a box of stuff, in a cabinet near other appliances that already beep, under a desk, behind a monitor, inside a trash can, or in a dropped ceiling. 5. PACKAGE INCLUDES: 1 x Buzzer, 1 x User Manual, 2 x Button Batteries (One for the product itself + one spare), 2 x Round Double-Sided Tape. Specification: Material: Alloy Color: Multicolor Product Size: 6 x 6 x 1.5 cm Product Weight: 25 g Package Included: 1 x Buzzer 1 x User Manual 2 x Button Batteries (One for the product itself + one spare) 2 x Round Double-Sided Tape