Feature: 1. Audio alarm mode, vibration alarm mode and audio and vibration alarm mode available, press the mode switches button for one second to hear a short warning sound. The detector switches from audio alarm mode to vibration alarm mode. A brief warning sound will be heard each time the mode is changed. 2. Stable performance and high sensitivity detection surface is 360 degrees all-round, equipped with special pendant accessories, small and convenient to carry. 3. Equipped with high brightness LED lamp, can be used as a lighting tool in the case of insufficient light. No need for adjustment, equipped with low voltage indicating function. When the instrument is under voltage, the LED light will flash to remind you change new battery. 4. Provides 360 degrees detection, help you quickly locate the target, if you held horizontally, a larger area can be scanned. When closed, it will disconnect the coil's magnetic transmission, and eliminates interference with another metal detector. 5. Waterproof design of the detector, but avoid spraying water directly into the speaker grille or drowning the whole detector in water. Specification: Condition: 100% Brand New Item Type: Metal DetectorThe sensitivity distance to detect the 1 RMB coin is ≥3.5-5cm, with under-voltage indication function. Detection Mode: Vibration and light alarm Power Supply: 9V battery Working Environment Temperature: -20℃-60℃ Package List: 1 x Host 1 x Protective Cover 1 x Spring