I welcome you to come to our shop.Our products are 100% guaranteed.If you have any questions or dissatisfaction, please contact us.Features:Widely Use - Perfect Compatible with finding metal objects and anywhere that hidden metal needs to be detected.Designed to Find Metal - Search gold & silver jewelry, coins and other metal in the ground.Adjustable Height of Metal Detector - Adjust the detector's length Compatible with comfortable use.Detection Indication - Audio alert and pointer indicate the detection of metal.Headphone Jack - Provided Compatible with headphone connection. Both stereo or mono headphone can be used.Volume Control - Adjust the output volume of the loud speaker or headphone.Waterproof Search Coil - You can use the metal detector in the shallow water.Specifications:Type: Without Headphone / With Headphone (Optional)Brand Name: Color: BlackMaterial: ABS Plastic + AluminumSensitivity: Min. 130mm / 5.12" (Test Coin: US Φ 25)Detect Objects: Metal(Iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver)Detection Mode: All Metal, DiscriminationOperating Frequency: 5KHZPower Supply: 2 x 6F22 9V Batteries (Not Included)Operating Current: Standby 10mA(LCD with backlit color 80mA)Max 70mA(LCD with backlit color 150mA)Operating Voltage Range: 9VDetection Indication: Mechanical Pointer Mode, Audio ModeControl: Power SwitchSensitivity: AdjustableDetection Depth: 10-30cm / 3.94-11.81inchVolume: AdjustableAdjustable Height of Detector: 78-107cm / 30.71-42.12inchApplication: 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, Police department detective search, Detectio