LD-AR924 High sensitive ground detector These attention-stealing detectors are turning heads and sending the competition back to the drawing board. But put aside their aggressive good looks and you' ll see just how much amazing technology we' ve packed into these new machines. From custom notch discrimination, pinpointing, adjustable sensitivity and depth settings to the newest addition of the coils series. Features Metal scan & Metal type mode switchable Metal & mineral detection Ferrous & Non-ferrous metal discrimination Auto calibration when turn on Manual Eliminate Mineralization Speaker indication Headphone jack option Low battery indication LED back light option Lead wire disconnection alarm