3D Professional  Metal  Detector  Remote  Metal Detector Metal Detector
T echnical parameters:
Search system: microcomputer processor control and reflective conductivity
Search range: 800 meters
Detection depth: 14 meters
Energy source: 12V 1600mAh
Transmission frequency: 5.6--6KHz
Signal frequency: 360--440Hz
Weight: 2.5KG
Detection type: gold, silver, copper, precious stones
Charging method: The instrument has been installed with rechargeable batteries, directly into the charger, you can charge, charging time 10-12 hours. Off to open. In accordance with the original genus above the transmitter to choose the metal category can be detected.