Nokta FORS Core Pro Pack Professional Metal Detector with 5.2x4.7" coil, 11.2x7.0" coil, 15.5x13.3" coil, Headphones, Rechargeable Battery System, Carrying Bag, Treasure Pouch, Weather Resistant Cover with 5.2x4.7" coil, 11.2x7.0" coil, 15.5x13.3" coil, Headphones, Rechargeable Battery System, Carrying Bag, Treasure Pouch, Weather Resistant Cover Depth Indicator will read on your easy-to-read screen. Know how deep to dig Frequency - 15 kHz 2 Year Limited Warranty 4 Search Modes