Fisher Gold Bug 2 Pro Metal Detector w/6.5in /10in Elliptical Search Coils Black Standard. This Metal Detector from the experts at Fisher is made with a 71 kHz operating frequency and features Fisher's patented Audio Boost technology that increases the volume of any faint signal. The Fisher Gold Bug 2 Pro Metal Detector has a Dual-Control Ground Balance System and includes automatic Iron Discrimination and a Disc Hot Rock Rejection feature. This Fisher Metal Detector has a Convenient On/Off Switch and as with all of the products made by Fisher is highly versatile allowing the Gold Bug 2 Pro to be used in any type of soil and ground conditions with the choice of three different mineralization modes. The Gold Bug 2 Metal Detector by Fisher is Dust and Moisture Resistant and Convertible to hip-mount or chest-mount so it is ideal for any type of Gold Nugget hunting enthusiast. Specifications for Fisher Gold Bug 2 Pro Metal Detector: Manufacturer: Fisher Included Accessories: 2 Coil Combo Water Resistance Level: Waterproof Coil Finish: Black Battery Type: 9v Battery Life: 5 - 35 hours Battery Quantity: 2 Weather Resistance: Waterproof Features of Fisher Gold Bug 2 Pro Metal Detector Extreme Sensitivity to Small Gold Nuggets High Precision Dual-Control Ground Balance Iron Disc Mode for Iron & Hot Rock Rejection Deep Target Audio Boost Lightweight & Hip-Mountable Available with Either a 6 1/2 or 10 Elliptical Search Coil Operating Frequency: 71 kHz Recommended for Gold Nugget Hunting Resistant to dust and moisture Convertible to hip-mount or chest-mount Weigh 2.9 lbs Uses two drop-in 9V batteries Dual-knob ground control for coarse and fine adjustment Package Contents: Fisher Gold Bug 2 Pro Metal Detector Fisher GB2COMBO: Gold Bug 2 Pro Metal Detector w/6.5in /10in Elliptical Search Coils Black Standard