Features 1、Three selectable detection modes, sound, vibration and sound plus vibration. 2、IP68 waterproof rating, it is moisture-proof and durable. 3、If metal is detected, the metal detector will continue to alarm. 4、When the battery is low, the detector will issue a warning alarm. The inspection distance will become shorter, please replace the 9V battery (not included) as soon as possible. 5、Made of high quality ABS plastic shell, anti-corrosion and high strength for maximum durability. 6、Humanized design, it is easy to carry and use. 7、High sensitivity, the measuring range of the metal detector is 4‑5cm / 1.57‑1.97in. 8、It can detect small metal objects in packaging, luggage, letters, fabrics, etc. Specification Condition: 100% Brand New Item Type: Metal Detector Material: ABS Plastic Color: Black Model: HS-08 Working Power Supply: 9V Operating Frequency: 12kHz Adjust Volume: Automatic Power Supply: 1 x 9V battery (not included) Alarm Mode: Sound, vibration, sound + vibration Control Mode: Power Switch Measuring Range: Approx. 4-5cm / 1.57-1.97in Size: Approx. 265 x 45 x 20mm / 10.4 x 1.8 x 0.8in Package List 1 x Metal Detector 1 x Rope 1 x Black Sleeve 1 x User Manual