Features:<br> <br> 1. ONE DEVICE, UNLIMITED CHAOS: AnnoyingPCB is the ultimate gag gift or revenge pranks. Simply activate the noisemaker and hide it. It will beep, screech, or make a cricket sound at random intervals of 5 to 45 minutes. Perfect April Fools Day pranks for your friends or coworkers.<br> 2. COMPACT AND LIGHTWEIGHT: This super small annoying sound device can hide easily in most places. This little noise prank is inconspicuous and hard to find.<br> 3. 4 KINDS OF NOISE: With the press of a button, you can easily change the sound. Noises include: a normal beep, a high pitch screech, and a cricket chirping.<br> 4. EASY TO HIDE: Prank your friends, neighbors, or workmate and drive them insane<br> Conceal it inside a drawer with stuff in it or a cupboard near other appliances that already beep. Affix it underneath a desk, behind a monitor, inside a tissue box, or in a drop ceiling.<br> 5. PACKAGE INCLUDED: 1 x Buzzer, 1 x Instruction Manual, 2 x Button Batteries (One For Product Itself + One For Spare), 2 x Round Double-sided Tape.<br> <br> Specification:<br> Material: Alloy<br> Color: Multicolor<br> Product Size: 6 x 6 x 1.5cm<br> Product Weight: 25g<br> <br> Package Included:<br> 1 x Buzzer<br> 1 x Instruction Manual<br> 2 x Button Batteries (One For Product Itself + One For Spare)<br> 2 x Round Double-sided Tape