タイトルまたは説明

General introduction:MD***0 Metal detector is a mini-type hand held metal detector,mainly for security check in important places like customs, airport and court. It will give an alarm sound and vibration with low voltage power alarm.

Function features: 
*It features simple operation, exquisite design, convenient conservation and low failure 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