Function features of MD-300 hand held metal detector :
*It features simple operation, exquisite design, convenient conservation and low
faiure rate.
*Highly sensitive, it can easily detect pin-sized metal articles (or even smaller metal articles).
*Its sensitivity can be adjusted according to the on-site requirements.
*Indication of low battery voltage (LED light is always on).
*It is praise worthy that its price/performance ratio is higher than other products of the same category.
*There are two kinds of alarms, including sound & light and vibration.