Feature: 1. LCD display, it can display notch range, sensor level, battery status, target, target depth, and metal type. 2. 3 kinds of audio recognition: high, medium, and low audio of different types of metal. DISC: Discuss selected goals. 3. By setting the range of the disc and notch, you can ignore the trash metal and find valuable items. 4. Different types of metals can be distinguished by scanning the search coil very slowly. 5. With headphone jacks, which can connect a 3.5mm headphone, trouble‑free operation. 6. 9.6in waterproof search coil, can be used on dry floors, wet sand, shallow water. Adjustable rod allows adjustment of rod length. Specification: Item Type: Metal Detector Material: ABS Plastic Stretching Length: 40-60 inches Battery: 2 x 9V AA (not included) Working Voltage: 18V Sensitivity: 200mm, US 25 cent Detection Depth: Approx. 0.2-1.5 meters/0.7-4.9ft (depending on the detected target area) Search Coil: Waterproof and interchangeable Frequency: 6.0 KHz Search Mode: LCD and sound mode How to Use: 1. Assemble the metal detector, connect the probe to the lower pole, and connect the upper pole to the lower pole 2. Install a 9V dry battery (not included) on the controller3. Adjust according to the panel buttons. Package List: 1 x Detector1 x Controller1 x Handle1 x Connecting Rod1 x Headphone2 x Installation Accessories 1 x Instruction