Hand Held Metal Detector features Fully Automatic self adjusting circuits. Inbuilt battery charger. Detects all metal objects, ferrous and non-ferrous including stainless steel. Very quick & clear response to objects with proportional audible (buzzer) and visible (LED) indicators. Will not affect cardiac pacemaker and magnetic tapes. Fill strength does not exceed the limit set by the NILECJ-0602 standard. Buzzer sounds continuously when battery needs to be changed or recharged. Hand held metal detector machine dealers and traders in Bhandup, Mumbai, India to worldwide since 1995 in low price in India.