The Garrett ACE 400 metal detector features a high 10kHz frequency for enhanced sensitivity to low and medium conductivity targets such as gold and lead. It has a Frequency Adjust feature to eliminate interference and a waterproof 8.5×11 DD-configured search coil. It includes five discrimination modes, electronic pinpointing, sensitivity adjustment, and High-Resolution Iron Discrimination. Comes with three free accessories: search coil cover, headphones, and a control box cover. It also has adjustable frequency, stable camlocks, and a 2-year warranty.