Walk-through metal detector Hand held metal detector, are widely used in the places such as factories, mines, banks, luxuries houses etc. , where expensive metal articles may get lost easily; And the places such as airport, pub, customhouse, jails, exhibition halls, where dangerous metal articles are forbiden. Electric current: 220v power: 35va Outer frame: 2200mm(h)x790mm(w)x540mm(d) Inner frame: 2000mm(h)x700mm(w)x540mm(d) Net weight: about 80kg Work envionment: -20f¦-+45f¦