Keep your Nokta Invenio metal detector running at peak performance with this high-capacity replacement battery

extending the wireless range to your BH01 bone conductor headphones (sold separately and required for underwater operation)

Water Resistance: Waterproof

crystal clear speakers

Sensitivity Settings: 3 levels

Minelab 11" Round DD Commander Coil for GPX, GP and SD Metal Detectors lesche-d-handle Keep your Nokta Invenio metalThe Minelab 11" Round DD Commander Coil is a water resistant Double D search coil engineered for GPX series detectors (GPX 5000, 4800, 4500, 4000), older GP models (GP 3500, 3000, Extreme), and SD series units (SD 2200d, 2200v2, 2100e, 2100v2, 2100, 2000). GPX prospectors working variable ground conditions need a coil that balances depth, sensitivity, and ground stability without sacrificing target separation in trash heavy relic sites. This 11 inch