Adjustable treasure hunt mode - 1 DISC mode, which can exclude unwanted metals. You can exclude the top 5 metals in order. 2All Metal Mode, All Metal Mode (Search all different types of metals, with automatic ground balance and high sensitivity. This is the best mode of operation).Waterproof Search Coil and Pointer Display - The 7.8 inch (19.8cm) sensing coil can accurately reach 6 inch (16cm) depth underground, and the coil detection is sensitive. The pointer display method is more accurate and the value ranges from 0 to 10, representing the signal strength of the detected target metal.Strong Security By plugging in the headphones, you can enjoy it even in noisy environment. The pinpointer Metal Detector also has a low battery reminder functionBest Gift You can adjust the length of the detector to make it comfortable to use (max: 42.5in; min: 30.7in). Portable and convenient, whether you are a professional metal detector enthusiast or a beginner or even a child, you can use it easily.It's a great gift for friends, family or loved ones.Note: Metal detectors can sometimes be limited by certain factors. You can ask for instructions at the store and read the instructions carefully, which can help you quickly learn how to use the metal detector and avoid many problems. (This metal detector comes with 2 9V alkaline batteries.)About GJCraftsGJCrafts is a brand that supplies tool products worldwide. Quality is our first priority. We have been making efforts for quality control.GJCrafts Metalldetektor MD-5090Find coins, artifacts, jewelry, gold and silver almost anywhere with the MD-5090 metal detector. Adjustable length (30.7-42.1 inch / 77.97-106.93cm): suitable for both children and adults with intuitive adjustment of volume and battery statusPointer display mode, the value is between 0 and 10, which represents the signal strength of the target metal detection.Easy operation with intuitive adjustment of volume and battery status1x metal detector2 alkaline batteries (9v)1x color box1x manualAll Metal Mode: Automatic ground balance and high sensitivity, DISC Mode: Can accurately identify 6 kinds of metals Can accurately identify 6 metals.All Metal ModeAllows you to search for all different types of metals with automatic ground balance and high sensitivity. This is the best mode of operation.Disc mode: distinguishes the types of metal detected.Around 11 o'clockAround 12:00 nickel coin (5 \uffe0), tabAround 1pm Zinc Coin (Version 1 \uffe0 87)Around 15:00 Copper Coin (Version 1 \uffe0 76)Common search errorsNever swing the search coil like a pendulum. Raising the search coil during or at the end of a scan can cause erroneous readings.Adjustable lengthLengthen or shorten the valve stem so that when standing with the detector in hand, the search coil is level with the ground and approximately 1 to 5 cm above the ground.Lightweight and ergonomic designLengthen or shorten the valve stem so that when standing with the detector in hand, the search coil is level with the ground and approximately 1 to 5 cm above the ground.0.907 kg (2 lbs)Waterproof search coilSearch for metal objects in shallow water. The search coil is waterproof, but the control box is not.Detection can sometimes be limited by certain factors.If your search area is disturbed by other instruments or cables, TVs or radios, decrease the sensitivity or change the current search area.When searching in heavily mineralized areas, the device beeps even if no metal is present. In this case it is possible to decrease the sensitivity and increase the height between the search coil and the ground until the false signal disappears. If necessary, reset DISC.When searching in garbage areas, it is best to set the DISC to 11:00 to allow the device to find most of the precious metals such as nails and small fragments.Remove all metal digging tools while searching.Sensitivity often contradicts sensitivity to discrimination. The higher the sensitivity, the worse the discrimination. However, you can reduce the sensitivity for better discrimination.If the target cannot be identified, the following factors may occur:1. The target is too small or too deep. To detect deeply buried targets, product sensitivity needs to be improved.2. The goal is too big. Some distance is required between the coil and the target.3. The search coil is moving too fast. You may miss the mark.4. Do not swing the search coil like a pendulum. Lifting the take-up reel during or at the end of a test will result in inaccurate readings.

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