Houper HOU-MDT836099 metal detector rocket has many uses in entrances and public places. It prevents the hot and cold weapons such as guns and knives to be carried into such places. Two rechargeable batteries is in the handheld metal detector rocket to provide the necessary energy for the operation of the device. This feature allows the metal detector rocket to be powered directly by charging the batteries without the need for an external power source. Sensitivity of handheld metal detector racket shows the responsiveness of the device in detecting various metals. The main purpose of having a sensitive metal detector rocket is accurate and reliable detection of various metals.