All the features needed in a magnetic locator, ergonomically designed for complete one-handed operation. Large LCD Display Digital readout and bar graph allow you to locate visually Used with audio tone allows for pinpoint accuracy, even in congested search areas.Segmented battery level indicator means no power loss surprises.Indicator cautions when detecting a power line Erase Function (MT202 Only)Lets you block out interference from a magnetic disturbance (such as a nearby fence)