Product name:gold metal detector long rangeMeasuring Depth:20 meter metal detectorInstrument Automatic Conversion Range:0mV-2000mVMeasurement Accuracy:0.1mVLCD Size:800x480 Touch ScreenA D Conversion:12-bit 1MspsInput Impedance: ge 10MΩPower Supply:DC12V 2400mAh Built-in BatteryPower Consumption:4WOffical Website:.com