Exploiter Underground Metal Detector

We are offering exploiter underground metal detector.
1.product name: rangers all-metal detector
2.search system: microprocessor control and reflex conductivity
3.detection range: 1000 meters
4.detection depth: 20 m
5.energy: 5v (a search instrument) 2v (b host)
6.firing frequency :7-8 .8 khz
7.frequency :380-480hz
8.weight: 9.88 pounds
9.metal detector: to set the frequency to detect the type of metal (gold, silver, copper, precious stones four), other metals also can be ruled out.
10.charging method: the instrument is installed in a rechargeable battery. Note distinction between a and b, the host of the search device charger, the charger indicator light is green when charging, charge about 6 hours.