Features 1、High Precise: The metal detector has extremely high sensitivity to small gold nuggets, with high precise dual control ground balance. 2、Precise Detection: Iron plate mode for iron and hot rock exclusion, audio improvement mode easier to find smaller nuggets in deeper places. 3、Oval Search Coil: Compared to circular coils, 6.5in oval shielded search coil is lighter, covers more ground and can put into a more compact location. 4、Convenient Design: The control box is moisture and dust resistant, removable housing can fit on your hip and reduce the weight of your arm, plug in battery compartment allows for easy battery replacement. 5、Easy to Operate: Dual knobs for ground adjustment control, quartz crystal dual locking electronics, new mineralization switch that can be set for high, normal and low mineralization ground conditions. Specification Item Type: Metal Detector Material: ABS, aluminum alloy Color: Black, gold Operating Frequency: 71 kHz Reacting: (V.C.O)² Operation Mode: All metal mode, discrimination mode GG PINPOINT: Grip, computerized ground, balance Control Shell: Dust proof, not easy to moisture Audio Output: Speaker Headphone Jack: 1/4in Manual Threshold Tuning: Located on the rear of the housing, available in all metal, auto tune mode Search Coil: Type: Oval, coplanar Size: 6.5in Shielding: 100% ESI coverage Interchangeable: Yes Waterproof: Yes Cable Length: 7 feet Built in Armrest and Detector Stand: Yes Battery: 2 x 6F22 9V batteries (shipped without batteries) Length: Extended: 53in Folded: 40in Working Temperature: -10℃ to 50℃ / 14℉ to 122℉ Package List 1 x Metal Detector 1 x Armrest 2 x Connecting Rod 1 x Armrest Bracket 1 x Search Coil