Buy on Amazon : http://www.amazon.com/gp/product/B00D2ZC0WG?tag=wayofcats-20
UniquExceptional UHMD Hand-Held Security Metal Detector (Black)
Highly Sensitive Can detect a hand gun from 11 inches away a pen knife from 6 inches away and a razor blade from 4 inches away
Adjustable Sensitivity The sensitivity can be adjusted with the turn of a switch
Two Indicators You can choose either an audible tone or vibration
Holster Included For easy carrying a holster with belt loop is included
Optional Rechargeable Battery Jack The unit is powered by either a standard or rechargeable 9-volt batterySearch Amazon ASIN B00DL2P32Y for BATTERY CHARGER