CST/Berger 19-200SC is a Magna-Trak 200 Magnetic Metal Locator with Case. This has large LCD display. Digital readout and bar graph allow 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. This has membrane switch which adjust volume and sensitivity with the same hand that holds the locator. Switch has no mechanical controls – membrane is sealed from dust and moisture.