Minelab SDC 2300 PERFORMANCE PACK Our BIGGEST combo package for the MAXIMUM performance from the SDC-2300 to find more nuggets !!! Everything seen in photo provided in the combo pack. MPF TECHNOLOGY MPF (Multi Period Fast) technology incorporates extremely fast Pulse Induction switching between Transmit (Tx) and Receive (Rx) detector signals. Therefore minimal residual transmit signal is present during the receive cycle, enabling clear sharp detection of very small gold. Application Gold Prospecting (waterproof 10ft) Coil (standard) 8" Round Monoloop Audio Output Built-in speaker, Minelab headphones (supplied), Koss Waterproof Headphones (not supplied), Pro Sonic Wireless Audio (not supplied) Visual Display 9 LEDs indicate detection, battery status and threshold level; 1 low battery warning LED Length Extended: 1500 mm (59.1") Collapsed: 400 mm (15.7”) Weight 2.3 kg (5.1 lbs) Batteries Li-on Battery Pack with Charger or 4 x C-cell 1.2 V 5000 mAh Rechargeable (not supplied), 4 X C-cell 1.5 V Alkaline (not supplied) Detect Modes Normal (1-5 Sensitivity range) & Salt (1-3 Sensitivity range) Noise Cancel Manually Initiated, Automatic Scanning Ground Balance Automatic Ground Tracking (AGT) Fast Ground Balance Threshold 9 audio levels Audio Pitch Low, High Transmission & Technology Pulse Induction (PI) and Multi Period Fast (MPF) Warranty 3 years control box & coil Included Accessories Armrest Cover, Coil Joint Protector