INFINIUM LS FEATURES Completely new kind of detector for treasure hunting in any environment, no matter how extreme, including mineralized ground. Convergence of technologies including Garretts exclusive new Advanced Pulse Induction (API). Waterproof design for land and sea detecting. Easy operation with just three controls; effortlessly holds at optimum performance. Discrimination Dial provides all-metal detecting or varying degrees of discrimination; discrimination for nearly 100% of detection depth. Tone ID helps identify targets via distinct audio tones.