hand-held body scanner metal detector with charging function,

Performance and features:
* With holster for easy carrying
* With charging function, charge time 4-6 hours
* When voltage is not enough, the light does not shine or no alarm sound
* Sound of light and optional vibration alarm instructions, demands for quiet or noisy environment, an environment can be used in headphones
* Has a low sensitivity to exclude small pieces of metal operation buttons, only to detect large metal objects, while for small metal objects are not the police, mainly applicable to the airport, hardware, belt factory class to exclude the first time to use this feature