... Zones 3. Display type: LCD 4. Back-up battery: Options 2012 Hot Walk Through Metal Detector1. Weight: 85KG,easy operate2. Zones:6 ... which side of the detector the target is located. With “hot spots” eliminated, the unit’s detection field is uniform throughout ... choice of three levels of ankle level boost, eliminates traditional hot spots and weak signals. Target detection is precise regardless of ...