Feature: 1. 3 SIGNAL REFLECTIONS AND 3 LEVELS: Provides 3 signals to alert the detection of metal. The LED lights stroboscope when metal is detected, while the locator emits a beep sound and vibrates. There are 3 levels of signal strength with different audio and vibration alerts, the closer to the target, the faster the vibration frequency and the louder the sound 2. 360 DEGREE DETECTION: High detection sensitivity, can locate the 3.75in underground quarter coin. The 360° pinpoint probe side scan can accurately and quickly locate small targets, suitable for use in narrow areas 3. SIMPLE MODE OF OPERATION: The metal detector rod has 3 detection modes. Press once to enter sound and vibration mode. Press second to switch to sound mode. Press the third time to switch to vibration mode 4. LIGHTWEIGHT TO CARRY: 1/3 the weight of a traditional metal detector. Equipped with plastic elastic tape, tape wand, easy to carry or hang on the body, prevent falling or loss 5. FULLY WATERPROOF DESIGN: In any weather, heavy rain, and even in lakes, rivers, pond, and oceans, you can drop your waterproof metal detector into the water and search for concealed underwater treasures 6. WIDE RANGE OF APPLICATIONS: This metal detector locator can complete all types of work, such as finding coins, gold, silver, artifacts, jewelry, whether indoors, outdoors, wall, sand, grass or soil, helping you easily find treasure or lost metal items, even in the extreme temperature range of ‑4℉(‑20℃) to 140℉(60℃) Specification: Item Type: Underwater Metal Detector Alarm Mode: Vibration, sound, sound and vibration Battery: 1 x 6F22 battery(not include) Frequency: 3KHz IP Level: IP68 standard Color: Green. Package List: 1 x Host1 x Black Storage Bag1 x Lanyard1 x Battery Cover