Function features:

*Simple and convenient operation

*It can easily detect pin-sized metal articles (3.5cm to the probe).

*It with a large detecting area can complete the detection by moving from top to bottom, greatly improving the

 working efficiency.

*It has an independent battery low voltage system and the yellow light will be on.

*It has double indication modes, namely sound & light and vibration to accurately and rapidly judge the metal position.

*With shielded damp-proof sensitivity adjusting hole, it seldom fails and is economic and durable.