Features 1、The detector has three tips: sound, vibration, sound and vibration 2、User-friendly design, easy to carry and use 3、IP68 waterproof grade, moisture-proof and durable 4、It can detect small metal objects in the package, baggage, letters, fabrics, etc. 5、High sensitivity, the measuring range is 6-7cm, suitable for jewelry stores, etc. Specification Item Type: Metal Detector Model: HS-10 Working Power: 9V Tuning: Automatic Alarm Mode: Sound, Vibration, Sound + Vibration Control Method: Power Switch Measuring Range: 6-7cm Probe Metal Size: IC Pin Size: Approx. 275mm / 10.8in Weight: Approx. 190g / 6.7oz Scope of Application: Jewelry store, etc. Optional Color: Orange, Green Package List 1 X Detector 1 X Yellow Rope 1 X Black Sleeve 1 X User Manual