Waterproof metal detector, metal finder deep sensitive search gold digger hunter 6.5 inch md-4030 underground search coil for tr This Is Our Professional Metal Detector Which Can Be Used To Locate Valuable Metal Such As Silver And Gold From Iron Relics, Coins And Household Items. It Is The Perfect Search Engine On The Beach, Old Castles, Old Battlegrounds, Forests And Fields And Farmlands.It Is Also Well Suitable For High Speed Cable Detecting In Walls, Ceilings And Floors, With Both Electrical And Water Pipes Can Be Located Precisely.Volume - To adjust the volume level of speaker and headphone.Earphone Jack - Lets you connect headphones (not supplied) to the detector.View Meter and Pointer - The meter pointer swings to the right if metal is found.Waterproof Search Coil - Lets you search for metal objects under shallow water.Adjustable Stem - Lets you adjust the detector's length.Power: 2 x 9V (6F22)Frequency: 5.0 KHzDetection depth: 10-30cmCurrent: Standby: 10mA,Max: 70mAVoltage: 7.2-9.6VIndication Mode: Mechanical Indicator Mode, Sound Modesize:107 * 27 * 16.5cmMaterial:Aluminum alloy + ABScolour:Silver + blackPackage Contents:1 * Metal detector host (excluding battery)1 * armrest1 * connecting rod1 * Search coil1 * Search coil knob1 * English manual1 * Plastic Shovel1 * Packing boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.