Minelab X-Terra 705 Gold Pack with 18.75 kHz Coil Nullify Imported Coin & Treasure and Gold Prospecting Modes Automatic/Manual Ground Balancing, Tracking and now with Tracking Ground Balance Offset adjustment Iron Mask feature - designed for Prospecting Mode 2 Pinpoint Modes; Auto and Sizing Choice of 1,2,3 or 4 Tone ID's plus Multi-tone Target ID (28) response options