"The Garrett Ace 400 Metal Detector makes quick work of searching for buried treasure, with a 10kHz frequency to help you discover jewelry, gold, coins, metal, and more. The Garrett Target-ID legend identifies targets as they appear on your LCD screen, and high-resolution iron discrimination with 40 levels helps sort trash from treasure. The improved 8.5"" x 11"" concentric search coil delivers enhanced coverage and detection depth, while Frequency Adjust allows you to toggle between various frequencies and eliminate interference. There are 5 search modes, plus a pinpoint function. The improved audio output gives you clearer target-ID tone signals. The Garrett Ace 400 Metal Detector includes an 8.5"" x 11"" search coil cover. Runs on 4 AA batteries (included). Adjustable from 42""L to 51""L. Weight: 2.9 lbs. Mfrs. 3-yr. parts and labor warranty. Manufacturer model #: 1141260. Locates jewelry, coins, and relics 10kHz frequency 40-level iron discrimination helps sort trash from treasure Target-ID legend identifies targets as they appear 5 search modes, plus pinpoint 8.5"" x 11"" DD PROformance concentric search coil Improved audio for clear target ID signals"