Underground Metal Detector
Shenzhen Graigar Technology Co.,Ltd.
An electronic device that gives an audible or other signal when it is close to metal, used for example to search for buried objects or to detect hidden weapons.
Shenzhen Graigar Technology Co.,Ltd.
An electronic device that gives an audible or other signal when it is close to metal, used for example to search for buried objects or to detect hidden weapons.
