Need to hunt or search for metal (aluminum, iron, coins, gold, bronze, silver) underwater? You must own this professional underwater metaldetector. Cause it can detect the metal objects in any environments including underwater, grass, mud, dirt, sand. This metal detector is awonderful helper in the process of hunting gold and exploration of underwater diving, which can tell you the presence of the metal object andinform you of the location of it with white LED light and vibration alarm. Features: Underwater Metal Detecting - Detect the exact location of buried metal objects. Pulse Induction Technology(PI)- Allow hunting metal in water, on land or in any type of soil, including black sand. Communicate with Vibration & Light - LED light signal indicator and vibration indicate the detection of metal. Stable Detection Depth - Advanced circuitry maintains detection distance throughout the life of the battery. Easy to Use - Tilt to turn on/off and convenient to carry with holster. Target Distancing - As you get closer to the target, the pulse of vibration and light will increase in intensity. Automatic Tuning - The state of the art microprocessor controlled design requires no adjustment of any kind. Fully 98ft Waterproof Design - Special sealed design allows detection in the rain or underwater, perfect for divers! Specifications: Color: Yellow + Black Material: ABS Plastic Detection Mode: Pulse Induction (PI) Detect Objects: All Metal(Iron, aluminum ring, small aluminum product, coins, gold, bronze, silver) Alarm Mode: Vibration & White LED Light Water Resistant Level: 30M/98ft Waterproof Tuning: Automatic Sensitivity: 25 cents coin: 10mm; one dollar coin: 15mm Frequency: 6.8KHz Current: Standby: 8mA, Max.: 20mA Operating Current: 0.03A Operating Voltage: 9V Operating Temperature: -5 to +55 Battery: 1 * 6F22 9V Battery (Not Included) Application: Testing metal foreign body of raw materials, fuel and food, Detection of underground pipeline & line, Archaeology, Exploration,Found buried treasures of gold, silver and metal artifacts, The acquisition of scrap metal industry, Customs and safety inspection, Policedepartment detective search, Detection of interpol search, Checking metal foreign bodies in express delivery and luggage. Item Size: 420 * 105 * 112mm / 16.53 * 4.13 * 4.41in Item Weight: 350g / 12.34oz Package Size: 46 * 10 * 10cm / 18.11 * 3.94 * 3.94in Package Weight: 564g / 19.89oz Package List: 1 * Pinpointer with Holster 1 * English User Manual