The Battery Prank Device by Fun Delivery is a small, white plastic device that operates on battery power. It includes 3 AG13 batteries and has a beeping noise maker for office fun. This hidden smoke alarm beep noise maker is designed for indoor use and does not require any assembly. The device is intended for use by adult unisex individuals and is part of the Funbba series, with a model number of Funbba. The Battery Prank Device is a creative way to add a touch of humor to the office or workspace, making it a fun addition to any party supplies collection.