High 'Q' tuned resonant circuit.
o Lockable Single set control knob for initial setting with respect
   to immediate vicinity and environmental conditions.
o Linear sensitivity control knob for precise setting at desired levels. ~
o Three level visual indication of metal detection through 10mm LED.
o LED bar graph display shows real time signal level strength.
o Audio alarm through Piezo-electric transducer with volume control on     detection.
o Walk/Stop Indicator.
o Detect all metals even when concealed in Ferrite container.