1000m Underground Metal Detector 15m Depth Outdoor Search Detector with Earphone for Silver Gold Copper Gems1000m Underground Metal Detector 15m Depth Outdoor Search Detector with Earphone for Silver Gold Copper Gems
Price: 1000m Underground Metal Detector 15m Depth Outdoor Search Detector with Earphone for Silver Gold Copper Feature: 1. Improve Work Efficiency: Using microcomputer to control the calibration of the chip