Swing Fisher Labs Gold Bug 2 Metal Detector over terrain from fields to streambeds for your next big find. High-precision, dual-control ground balancing. Iron Disk Mode rejects false readings on iron and hot rock. Deep Target audio boost mode searches deeper for buried treasure. High, low and normal mineralization modes with adjustable sensitivity, threshold and volume to search effectively through mineralized soil. Removable control housing with belt-mount attachment will have you swinging less weight, extending your hunting time. 10 DD eliptical closed waterproof search coil has a 71kHz operating frequency. Telescoping pole assembly conveniently stores away when not in use. 1/4 headphone jack. Runs on two 9-volt batteries (not included) with audio-tone battery test mode. Batteries: Two 9 volt (not included) Application: coin, relic, and treasure. Search coil: 10 DD eliptical. Frequency: 71khz Wt: 2.9 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Gold. Type: Gold Detectors.