Find more treasure in iron-infested areas with the expanded iron and extreme target-separation modes built into TreasureTek's Metal Detector by Teknetics®. Two-tone audio ID sounds when you pass over a target, while the three-segment depth indicator shows how deep it is. Fine-tune the detector using the 0-99 target ID and 0-39 variable iron discrimination to block out unwanted noise. Lightning-fast recovery. Locking stem collars. Manufacturer's limited five-year warranty. Made in USA. Batteries: One 9 volt (not included). Application: coin, relic, treasure. Length: 40-50". Search coil: 8"-dia. concentric. Frequency: 7.69kHz. Wt: 2.3 lbs.