OrangeA Metal Detector Waterproof MD-3010II Gold Detector Professional Automatic with LCD Display Treasure Hunter Metal Detector Power:61.5V AA alkaline batteries/ Temperature range: -20C to 60C Product Size: 21.213.55.9 inch(LWH) / Weight:4.72lbs Metal detector Sensitivity: Min.8" Gold Detector Professional can find the smallest gold nuggets in the most highly mineralized soils Treasure Hunter Metal Detector with LCD display which measures signal strength and the signal increases in volume as targets get closer