Minelab X-Terra 705 Universal Hand Held Metal Detector Dual Gold Pack 3706-0117 with Pinpoint Indicator and Multi-Segmented Notch Discrimination Minelab's proprietary True Digital VFLEX technology the new class of single frequency detectors change the frequency easily by changing coils Compatible with low, mid and high frequency coils - all 7 X-TERRA accessory coils can be used 6 accessory coil options offer increased versatility Automatic/Manual Ground Balancing, Tracking and now with Tracking Ground Balance Offset adjustment True automatic Ground Balance eliminates false ground noises so you can hear elusive small gold signals Effective noise cancel reduces interference Two Pinpoint Modes: Auto and Sizing; The new Sizing feature gives valuable information on target characteristics including shape and size