Description 1. 360 detection scanning, with ultra-high stability and high sensitivity. 2. The detection head at the front of the instrument is equipped with high brightness LED light. 3. The switch can adjust three detection modes, sound, vibration and sound plus vibration. 4. The product has a LCD screen display, which can observe the battery power of the detection signal. The closer the metal is, the higher the signal indication. 5. Humanized design, it is easy to carry and use. 6. IP68 waterproof rating, it can be used under 3.0m / 9.8ft underwater, moisture-proof and durable. 7. It can detect small metal objects in packaging, luggage, letters, fabrics, etc. Specification: Item Type:Handheld Metal Detector Model: HS-10 Working Power Supply: 9V Power Supply: 1 x 9V battery (not included) Adjust Volume: Automatic Alarm Mode: Sound, vibration, sound + vibration Control Mode: Power Switch Measuring Range: Approx. 6 - 7cm / 2.4 - 2.8inch Color: green Material: ABS Package Contents: 1 x Metal Detector(Don't included battery) 1 x Wrist strap 1 x Holster 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.