MACHINES MORE CRAZY PRANKS -- You will get pranks PCB noise maker, which is the ultimate gag gift or revenge pranks, simply activate the noise maker and hide it; It will beep, screech, or make a cricket sound at random intervals of 5 to 30 minutes, a good April Fools Day prank for your friend or coworker.This PCB battery lasts 3+ years, before it runs out of power, your victim's sanity will fail. COMPACT AND LIGHTWEIGHT -- This small annoying sound device can hide easily in most places; You can even use a small sticker to attach it to the back of the plant leaf; Once set and hidden, the sound from the interval upsets him/her and can't help but want to find it;As long as it hides well enough, no one can find it; Before finding it, the people who are looking for it will growl and become furious UNIQUE SOUNDS -- You're not stuck with just one choice of annoying sounds. 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. Take the crown as funniest prankster on April Fools. HIDDEN HINT -- (Mimic) hide it near the electrical appliance that emits a beeping sound. Such as the vicinity of TV sets, refrigerators, air conditioners. (Unexpected corners) such as under the table and chair, the back of the potted plant, in the air-conditioning hole, near the exhaust port, near the pile of debris, above the chandelier...(Impossible places) such as: the top of the car glove box, inside the mattress or sofa, in the wooden floor or in the wall of the brick mezzanine... MORE CRAZY EFFECTS -- This can satisfy pranks with different voices in different positions at the same time. Make the victim more irritable. If not enough, you can also buy multiple sets .Anqing store merchandise