Can Be Adjust the Sensitivity: It can according to your demand adjust the sensitivity,it can detect the caliber hand gun, pen knife, razor blade and so on.
Power supply: Powered by one 9V battery standard (Not included) or rechargeable battery (Not included). With one external charging port, the battery charger is not included. Please avoid charging it when you have no rechargeable battery, otherwise it can’t work normally.
2 Kinds of Alerts: When someone carry metal, the light will turn red and it can makes a sound.
Comfortable Handle:portable metal detector wand The lightweight design and comfortable handle grip make it easy to use for long periods of time.