Garrett | AT Max Metal Detector | LMS Metal DetectingGarrett AT Max Metal Detector with 8. 5" x 11" PROformance DD Search Coil MAXIMUM DETECTION DEPTH Enhanced electronics, a 13. 6 kHz operating frequency, and eight Sensitivity Depth adjustments allow you to detect targets deeper than other Garrett AT detectors Take your detecting to the next level with the AT Max metal detector from Garrett. Capable of being submerged up to 10ft or 3m, you can get to the bottoms of creeks or river banks with ease. With