Metal Detector retail for Adults Professional Waterproof-Adjustable High Accuracy Beach

Product Name: Metal Detector retail for Adults Professional Waterproof-Adjustable High Accuracy Beach
. LCD display --shows disc / notch rang ,sens level ,battery condition ,target ,target depth , metal type 2. Three tone audio discrimination --high , medium, and low tones for different types of metal 3. Notch --ignores junk metal and finds valuable items by setting the disc and notch range 4. Disc disciminates the target selected 5. Super slow sweep identification --with a very slow sweep of the search coil to discriminate different types of metals 6. Headphone jack --connects headphone of 3.5m and operate without trouble 7. 240mm waterproof search coil --can use on dry floor ,wet sands ,shallow water 8. Adjustable shaft --lets you adjust the comfortable stem length to use retail Specifications: 1. Color: As Picture 2. Stretch Length: 42-52 inches 3. Battery: 2 X 9 V AA 4. Working Voltage: 18 V 5. Sensitivity: ≥ 20 mm (for a US Quarter Coin) 6. Search Coil: 10inch Waterproof Search Coil 7. Frequency: 6.4 ± 0.5 KHz 8. Search Modes: LCD & Sound Mode 1 Carry Bag.