Item Type: Underwater Metal Detector Product Material: ABS How it Works: Pulse Induction Working Frequency: 3khz Waterproof Grade: IP68, up to 60m Power Supply: 1 x 6F22 Alkaline Battery (battery not included) Detection Method: Audio, Vibration, Audio and Vibration, LED Sensitivity: 3 Levels Adjustable Three Detection Modes: The detector has three detection modes—audio, vibration, and audio with vibration—allowing you to switch modes based on your needs. IP68 Waterproof: This detector is waterproof up to 60 meters, enabling use underwater as well as on land, expanding your search range. Sensitive Performance: Equipped with three sensitivity levels, this detector can locate various metal objects such as coins, keys, jewelry, artifacts, and small metal items. Durable ABS Material: Constructed from high-quality ABS material, the detector is resistant to scratches and impacts, suitable for demanding environments including underwater use. Portable Design: Includes a carrying bag and lanyard for convenient transport and easy handling during use. Loss Alarm Function: If no button is pressed or no target is detected within 1 minute, the loss alarm activates. The device emits a brief beep and the LED flashes for 30 seconds. After this period, the unit automatically powers off to conserve battery life. Package Includes: 1 x Probe Handle 1 x Ground Probe 1 x Diving Probe 1 x Lanyard 1 x Carrying Bag 1 x Instruction Manual