The HP140 Enhanced Hand Held Metal Detector is a high sensitivity device designed to detect magnetic and non-magnetic metal masses.
The unit can be used to detect weapons, detonators and other small pieces of metal concealed in baggage or correspondence.
The bidirectional detection probe allows both sides to detect metals evenly.  

The sensitivity of the surface is enhanced by the shape making operation of the device reliable and easy to operate.
Power supply
HP140V: 9V dry battery  or 9V NiMH with contact charger
HP140VR: 9V NiMH with BC140F inductive charger
Simultaneous optical and acoustic alarm.
Built-in buzzer
Optical alarm and earphone silence mode
Sensitivity  adjustable by stepless knob