ERGONOMIC DESIGN: The locators design allows for one-handed operation so your other hand is free to use other equipment. VISUAL: The locator has a digital readerout and bar graph that allows you to locate visually. AUDIO: The locator is equipped with audio tone that allows for pinpoint accuracy, even in congested search areas. BATTERY: The tool has a battery level indicator and has up to 100 hours of runtime. DEPTH: The locator allows detection of ferrous objects from 6 inches to 15 feet below ground.