1. Fully waterproof handheld metal detector with display, with high performance and high sensitivity 2. With a screen display, visual detection signal battery power, the closer the metal is, the higher the signal indication, and the operation is simple 3. Strong, shock-resistant, durable, integrated design 4. IP68 waterproof grade, unique sealing design, waterproof and moisture-proof 5. Can detect needles for children's clothing, can detect about 2-5mm needles or staples 6. Pulse detector, strong penetrating power, can be used in hard soil layers such as granite, limestone, shale, etc. 7. Large disc probe design, good accuracy, high reliability and strong resistance 8. Fast response, easy to detect, built-in copper induction coil 9. Working power: 9W 10. Working voltage: 9V 11. Working current: 1A 12. Power supply mode: 1 9V dry battery (not included in the product) 13. Scope of application: security inspection, archaeology, underwater treasure hunting 14. Measuring range: 8-10cm 15. Alarm mode: sound, vibration, sound plus vibration; switchable 16. Size: 44.5x12.5x5cm 17. Weight: 318g