MD-4030 Professional Underground Metal Detector Adjustable Gold Detectors Treasure Hunter Tracker

Description: If you need to find gold & silver jewelry, coins and other metal in the ground? Try this one. With this powerful and versatile metal detector, you can hunt for coins, relics, jewelry, gold and silver everywhere. It is also widely used in detecting aluminum, copper and rare metals and anywhere that hidden metal needs to be detected.
  Features:   Widely Use - Perfect for 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 for comfortable use. Detection Indication - Audio alert and pointer indicate the detection of metal. Headphone Jack - Provided for 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:
Size: ~107 * 27 * 16.5 cm / 42.12 * 10.63 * 6.50 in
Net Weight: ~862g / 1.90 lb
Color: Black
Material: ABS Plastic +
Aluminum Sensitivity: Min. 130mm / 5.12" (Test
Coin: US F 25)
Detect Objects: Metal(Iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver)
Detection Mode: All Metal, Discrimination 
Operating Frequency: 5KHZ 
Power 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: 9V
Detection Indication: Mechanical Pointer Mode,
Audio Mode Control: Power
Switch Sensitivity: Adjustable 
Detection Depth: 10-30cm / 3.94 - 11.81 inch
Hight: Adjustable
Adjustable Height of Detector: 78-107cm / 30.71 - 42.12 inch
Operating Temperature: -15~45? / 5~113? 
Storage Temperature: -20~60? / -4~140? 
Fit: 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, Detection of interpol search, Checking metal foreign bodies in express delivery and luggage.
  Note:   The search coil is waterproof, but the control housing is not waterproof.
Package includeds: 1 xa  Metal Detector Main 1 x    Armrest 1 x    Connecting Rod   1 x    Search Coil 1 x    Search Coil Knob 1 x    User
Manual Details  pictures: