Features: Fully Waterproof to 20 Feet: - plus orange color for added visibility underwater 3 Sensitivity Settings:: Maximum sensitivity for improved detection of nuggets and other small targets Fast Retune:: A button press instantly tunes out environment or narrows detection field for precise pinpointing of larger targets Lost Pro-Pointer Alarm:: After 5 minutes of inactivity, pinpointer emits periodic warning chirps Automatic Power Off:: After 60 minutes of warning chirps; saves batteries Single-Button Operation:: Settings Include - Power, Retune, Sensitivity adjustment, and Stealth Mode Ruler in Inches and Centimeters:: molded into side of pinpointer to judge target depth Lanyard Attachment Loop Easy to Operate in Gloves Patented Proportional Audio/Vibration Patented Scraping Blade 2x Battery Life of Other LED Pinpointers Pinpointing tip and 360° Detection Area Overview: The Garrett Metal Detectors Pro-Pointer AT provides all terrain versatility for locating and pinpointing metallic targets. This model is environmentally protected from the elements and is fully submersible to a maximum depth of 20 feet or 6 meters. The bright orange casing makes this unit extremely visible under water and helps minimize the chance of losing it in your explorations.