Grab your kids and go hunting for lost treasures, coins, ancient relics and more with this Teknetics delta 4000 metal detector. Its large LCD screen displays a 2-digit numerical target, depth level and other control options. The Delta 4000 metal detector has multiple notches, 2 search modes and an overload alarm system. Its ergonomic and lightweight design makes it easy to use, whether youre a professional or an amateur out on his first treasure hunt. This metal detector has an 8 waterproof coil that can detect coins up to 11 deep. Assembly required. Batteries required.