Waterproof Metal Detector Gold Finder

Want to hunt for gold & silver jewelry, coins and other metal with kids? Try this one. With this metal detector for kids, you can hunt for coins, metal, jewelry, gold and silver everywhere. Can be used in science education, parents-kids activity and simple metal detection.
Specifications:
Color: Black
Material: ABS Plastic
Detector Diameter: 6.10inch
Detect Objects: Metal(Iron nail, iron covering, aluminum , small aluminum product, coins, gold, bronze, silver)
Detection Mode: All Metal
Operating Frequency: 55.2KHZ
Operating Current: Standby 20mA, Max 70mA
Operating Voltage Range: 7V-9V
Detection Indication: LCD Display, Sound Mode
Sensitivity: One Coin: 10mm, Stepless Adjustable
Detection Depth: 10-100cm (Depends on the target area you detect)
Battery: 1 * 6F22 9V Battery (Not Included)
Application: Looking for Coins, Silver & Gold, Detecting All Kinds of Metal, Scientific Education, Parents-and-Kids Activity, Simple Metal Detection
Item Size: 19 * 15.5 * 67cm / 7.48 * 6.10 * 26.38in