Feature:1. [TWO BUTTON DESIGN] Easy control, it can be turned on and off in one second, and switch modes in one second, easy to operate, and bring you a smart experience.2. [IP68 WATERPROOF RATING] With diving standards, it can completely protect the environment from pollution, and can also be operated reliably under 1030m underwater in rugged environments.3. [SCIENTIFIC DESIGN] Instead of using traditional disposable batteries, it uses rechargeable lithium batteries. The charging interface is micro USBA interface and TypeC interface.4. [LONG BATTERY LIFE] With two lithium batteries, you no longer have to worry about running out of electricity when using it outdoors. The longest use time is 710 days when it is fully charged.5. [WIDE SCOPE OF APPLICATION] Using impulse induction (PI) technology, it allows users to capture metal in water, land or any type of soil, and can be used in diving search, public safety inspection, investigation, professional archeology, positioning decoration, etc. Condition.Specification:Item Type: Metal DetectorModel: Three In OneMaterial: ABSPower Supply: 2x3.7V 750mAh Rechargeable Lithium Battery (Battery Included)Purpose: It is suitable for metal detection.Detection Type: Square Probe, Round Probe, Straight Probe (Combined Use)Detection Range: Approx. 10-15cm / 3.9-5.9inDetection Depth: 7 InchesWaterproof Rating: IP68Underwater Operating Depth: Approx. 10-30m / 32.8-98.4ftAlarm Mode: Sound, Vibration, Sound + VibrationLighting: LEDReset: One Key ResetCharging Method: Micro USB, Type-CTechnology: Impulse Induction (PI)Life Time: 7~10 Days (Full Power State).Package List:1 x Host1 x Square Probe1 x Round Probe1 x Straight Probe1 x Data Line2 x Battery Cover3 x Waterproof Ring1 x Lanyard1 x Toolbox1 x ManualNote:1. Before entering the water, make sure that the battery cover is tightened, and only use clean hands to open the battery cover.2. The detector must be fully charged before use, and the equipment must be flushed with fresh water after each dive.3. Do not leave the equipment in the rinse bucket, it may be damaged by other equipment.