The Thunder V Pineapple mimics a flash bang and is designed based off of the real deal used by our military in World War II, Vietnam, and other conflicts. The reusable sound device creates a loud bang in order to distract your enemy, allowing you to get the drop on them. It uses a 12g CO2 cartridge and a one-time use burst shell to produce such a loud bang. After inserting a CO2 cartridge, simply pull the pin and lift the spoon. This will break the seal in the CO2 cartridge. The empty shell immediately begins to fill with compressed CO2. Once maximum capacity is reached, the shell will rupture with an approximate 130db “BANG”!