aks handheld remote positioning metal gold detector 6 antennas goldsilver copper and gemstone searche

package includes: -1 receiver -1 transmitter -6 antennas -1 power adapter -1 user manual -1 plastic suitcase search range 1500m detection depth: 25m energy: 12v 1600mah transmission frequency: 5.6-6khz signal frequency: 360-440hz weight: 3.2kg detection type: gold, silver, copper, gem charging method: the instrument has a rechargeable battery installed, which can be directly charged by connecting the charger. the charging time is 10-12 hours..syi