... people .Easy to assemble WALK THROUGH METAL DETECTOR MODEL:WE-003 ( 6-33 zones) Technical parameterElectric current: AC100V~240V/50 ... 6 zones. It can extend to 16,24,33 zones by separate left and right alarmSensitivity adjustable: Each zone has ... magnetic floppy, recording tapes, etc.ApplicationWalk through metal detector WE-003 is popular used in Airport, banks, Embassies, Jail, Entertainment places ...