Video tutorial about the device Great king 4S
We offer the world's first device with the latest technology in the world of hardware A detailed explanation of how to use the entire device, which operates four (4) research systems to detect gold And buried treasures .
Systems that the device works
System 1: Ground Survey System 3D
System 2: The system of discrimination between Metals
System 3:Direct horizontal imaging system
System 4: Direct Vertical Imaging System