Main features -Headphone connectionfor reliableresearch - LCD display, with an indicationof the probabletype of metal,thedepthof the detected object,thediscrimination andNotchvalue,thesensitivity andthebattery status -AudioDiscriminator3tones(3distinctsoundsfor each type ofmetal) -Notchfunctionto skipunwantedobjectsand detectpreciousobjects throughthe settingof discrimination andNotchvalue -Detectionslow,withthis function, theplateperformsavery slowspeed search -WaterproofsearchPlate