Product brief introduction: MD-3003B1 is a universal-type hand-held metal ***ectors, cost-effective, stable performance. Mainly used to ***ect metal necessary places, such as security Day-to-day metal anti-theft examination, examination room, the school to bring communications tools to prevent cheating of the inspection work, as well as non-specified places, such as metal ***ectors, The use of the hand-held metal ***ectors to carry out physical inspection to avoid manual search of human rights brought about by the dispute |