The Most Advanced Metal Detector with Multiple Search Modes   Features: - 4 operation modes, 2 detection modes, LCD readout - Extra large, 8.5" deep tarteting, water-proof search coil - Multi-tone discrimination specifies quarters, dimes, rings, etc. - Lower stem is made of fiberglass (light but stiff) - Easy-slide battery pack, 12v DC, 8 AA batteries (not included) - Now with exclusive ATZ 37 Processor™       BUY WITH CONFIDENCE   Specifications: - Power: two 9V batteries (not included) - Indication: LCD - Audio: 2” speaker or Φ3.5 headphone -  Control Buttons: MODE,ADJ,ENT,GND TRAC,SURF ELIM,+,-VOL,GND BAL - Operation Frequency: 6.5 - 6.7KHz - Static Current: ≤ 35mA - Min. Voltage: 11.6V - Low Voltage Indication: 11.6 - 12.4V - 8.5” waterproof search coil - Sensitivity: ALL METAL ≥ 26cm, DISC  ≥ 24mm (about a quarter) - Environmental Conditions: - Operation Temperature: 0 - +40 degrees celcius - Storage Temperature: -20 - +60 degrees celcius   Description: This Advanced Metal Detector has multiple search modes with accuracy up to 1 Inches in depth. The display shows target strength and possible location. This metal detector features an extra-large 8.5" waterproof search coil that is great for deep targeting. Plus, with the multi-tone discrimination, you can distinguish between dimes, rings and more! UPC:859456002409 SKU: ATLMDADV