The MD-4080 underground metal detector is a metal detector with excellent functions. It has two modes of operation to meet different detection conditions. This gold detector is perfect for those who have hobby in treasure hunting and underground searches. Its DISC mode helps users directly identify which metal is being detected. With metal detector, you can find coins, artifacts, jewelry, gold and silver anywhere, including lawns, mountains and more. The detector is multifunctional and easy to use. Features: With arm support, you can carry and operate the detector comfortably to ensure that the detector is very easy for people of different sizes and ages. With its one button to adjust function, this metal detector is suitable for both beginners and experienced professionals. In noisy areas, you can search for metal objects according to the instructions of the meter. With the headphone hole, you can connect a stereo headset (not included) and operate without problems. The waterproof searching coil feature allows you to use the detector even if you have to place it in shallow water. Adjustable rod allows you to adjust the length of the detector for comfortable use. Specification: Condition: 100% New Material: Plastic Power: 2 * 9V (6F22) (not included) Frequency: 6.25KHz Standby: 10mA Maximum: 110mA Voltage: 7.2-9.6V Sensitivity: US 25 Cent: 180mm Stretch length: 15.75-25.6 inch Detector Diameter: 7.9inch Color: Black Test Object: metal (iron nail, iron cover, aluminum ring, small aluminum products, coins, gold, copper, silver) Applications: gold testing, desert testing, safety inspection, archaeology, treasure hunt, beach testing Package Size: Approx. 54*22*11 cm / 21.3*8.7*4.3 in Package list: 1 * Searching Coil 1 * Main Machine (Battery Not Included) 2 * Connecting Rod 1 * Arm Support 1 * User Manual 2 * Plastic Fixing Ring Note: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.1With arm support, you can carry and operate the detector comfortably to ensure that the detector is very easy for people of different sizes and ages 2With its one button to adjust function, this metal detector is suitable for both beginners and experienced professionals 3In noisy areas, you can search for metal objects according to the instructions of the meter 4With the headphone hole, you can connect a stereo headset (not included) and operate without problems 5The waterproof searching coil feature allows you to use the detector even if you have to place it in shallow water