Camping Metal Detector with Pin Pointer, Quick Silver Metal Detector for Adults & Kids, Hobby Explorer Waterproof Search Coil- Black XH

Details Features:   [Practical Metal Detector]Perfect for finding metal objects and anywhere that hidden metal needs to be detected.You can also adjust the length (30.7-42.1inch) for cosy use.   [Two Operation Modes]With ALL METAL and DISC modes to search. The waterproof search coil allows you to use the metal detector in shallow water.   [View Meter and Pointer]The meter pointer swings to the right and will give out audio alarm if metal is found, and the detection depth can reach 3.94-11.81 inches.   [Headphone Jack]Provided for headphone connection, headphone(not supplied) with 3.5mm jack can be used. Adjust the output volume of the loud speaker or headphone.   [Wide Usage]This easy to operate metal detector suitable for research or educational use as well. Besides, this also widely used in security check, treasure hunting, material check,etc.   Specifications:   Main Color: Black   Net Weight: 1.98 lbs   Material: ABS   Overall External Dimensions: 6.3″L x 6.3″W x 42.52″H   Power Supply: 2 x 9V 4AA battery (Not Included)   Frequency: 5kHz   Current: 10~70ma   Voltage: 7.2-9V   Adjustable Height: 30.7″-42.1″   Detecting Depth: 5.1″ (tested by US25)