Feature:1. Pointer Screen: The new metal detector has a pointer screen display, which makes it easier for you to view the detection mode, sensitivity level and battery condition.2. Great Accuracy: When the metal is found, the pointer swings to the right. Turn the switch counterclockwise to OFF to turn off the device. Turn it clockwise away from closing to turn on the device. When you rotate SENS from 0 to 10, the sensitivity will gradually increase.3. Reliable Using: The diameter of the metal detector search coil is 8 inches, and the sensitivity is high. The metal detector kit can detect coin size targets 8in deep, and larger targets can get to 4ft.4. Practical Work: The waterproof search coil allows you to use it underwater for detection, which is very suitable for outdoor use, such as beaches, streams and yards. The control box is not waterproof.5. Better Designs: The metal detector can be adjusted to suit people of different heights. The arm support design helps you to save effort and be more comfortable.Specification:Item Type: Metal DetectorProduct Model: MD4080Battery: 2 x 6F22 9V, shipped without battery. Frequency: 6.25KHzStandby: 10mAMaximum: 110mAVoltage: 7.2-9.6VSensitivity: US 25 Cent: 180mm / 7.09in (approx.)Stretching Length: 15.75-25.6inDetector Diameter: 7.9inColour: BlackDetection Object: Metal such as nails, iron covers, aluminum rings, small aluminum products, coins, gold, copper, silver. Application: For gold detection, desert detection, security inspection, archaeology, treasure hunting, beach detection. .Package List:1 x Searching Coil1 x Metal Detector2 x Connecting Rod1 x Arm Support1 x User Manual