Feature: 1. At present, the handheld metal detector has a low sensitivity of usually only 3 - 4cm / 1.2 - 1.6in, and this HS-16 has a sensitivity of 6.5 - 7cm / 2.6 - 2.8in(the standard is a coin of RMB one yuan). 2. IP68 waterproof rating, it is moisture-proof and durable. 3. It can detect small metal objects in packaging, luggage, letters, fabrics, etc. 4. When metal is detected, it has three alarm modes: sound, vibration and sound plus vibration. 5. Humanized design, it is easy to carry and use. 6. Made of high quality ABS plastic shell, anti-corrosion and high strength for maximum durability. Specification: Condition: 100% Brand New Item Type: Metal Detector Material: ABS Plastic Optional Color: Orange, Red Model: HS-16 Working Power Supply: 9V Power Supply: 1 x 9V battery (not included) Alarm Mode: Sound, vibration, sound + vibration Control Mode: Power Switch Measuring Range: Approx. 6.5 - 7cm / 2.6 - 2.8in Size: Approx. 28 x 5.5 x 5.5cm / 11 x 2.2 x 2.2in . Package List: 1 x Metal Detector1 x Rope(Button Style Random)1 x Black Sleeve1 x User Manual