The Garrett AT MAX is a high-performance all-terrain metal detector featuring wireless Z-Lynk technology for near-zero delay audio transmission. Waterproof up to 3 meters, it excels at finding coins, jewelry, relics, and gold. With an operating frequency of 13.6 kHz, True All-Metal Mode, backlit display, and four search modes, the AT MAX delivers maximum performance on land, beaches, underwater, and in highly mineralized soils.