... Metal Detector MD-3003B1FEATURES1. Adopt cyclic switch to choose sound alarming or cancel vibration function, earphone isoptional.2. With high sensitivity, ... inspection equipment to increase safe efficiency, such as walkthrough metal detector.-Can detect various metals, such as: Copper, Ferrous ... )x45mm(H)PackingColor carton boxStandard outer packing volume25pcs Hand-held Metal Detector MD-3003B1