1. Weight: About 400g
2. Size: About 43x10 cm
3. Material: ABS
4. Alarm mode: Vibration
5. Power supply: 9V battery (need to buy by yourself)
6. Waterproof depth: 100 feet
7. Scope of application: Public security inspection, police inspection, diving and salvage, professional archeology, etc.
8. Detection environment: Any environment in grass, mud, dust, sand, black sand, fresh water or sea water

Features:
1. Beautiful and practical, light and portable, easy to use
2. Vibration and blue light alarm
3. Automatic adjustment, good stability
4. Tilt switch system, simple and convenient
5. Sealed and waterproof, sturdy structure, durable
6. With low battery indicator, built-in low battery sensor