PalliPartners Metal Detector for Adults WaterproofProfessional Higher sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

HIGH ACCURACY & WATERPROOF SEARCH COIL: The diameter of this metal detectors search coil is 10 inches. As you know, the bigger the search coil is, the higher the sensitivity, let you detecting more efficient and time-saving. Waterproof search coil enables you to use detecting to underwater, perfect for outdoor, like beach, stream, backyard. (Note: the control box is not waterproof)

THREE STRONG MODES & TRUE DISCRIMINATION MODE – metal detector has three operation models:  All Metal Mode – the metal detector notifies you whenever it sees any metal.  Disc Mode – you can utilize this metal detector to discriminate against other types of metal for a specific one.  Notch mode press NOTCH, then press +or – button to select the target to be notched(eliminated). And you can simply eliminate the metal you dont want through Discrimination Mode & Notch mode.