Feature: 1. Accurate Location: This handheld metal detector is expertly designed for accurate detection of ferrous and non ferrous metals, featuring a 4.2 inch coil for locating even the smallest targets. 2. LED Flashlight Feature: Equipped with a built in LED flashlight, this metal detector illuminates dark and low light environments, ensuring dependable performance even in challenging underwater conditions. 3. Complete Water Proof IP68: The metal scanner boasts IP68 water proof rating, making it suitable for detecting metal objects underwater, in lakes, and at sea, enhancing underwater treasure finding efficiency. 4. Sound and Vibration Feedback: With sound and vibration indicators, this metal detector provides accurate notifications of metal target proximity. The strength increases as you get closer, improving detection accuracy and scan coverage. 5. Ergonomic Design: Featuring an integrated water proof plastic shell and ergonomic control layout, this metal detector ensures durability and ease of use underwater, even under the most adverse conditions. Specification: Item Type: Underwater Metal Detector Material: ABS Battery: 1x9V 6F22 Dry Battery (Battery not included) Frequency: 3.2kHz Detection Coil: Approx. 10.67cm / 4.2in. Package List: 1 x Metal Detector 1 x Lanyard 1 x User Manual