Fangrui Product Details 1. Hand-held Security Metal Detector, Detection Distance: 60mm 2. Highlight: Using Imported Chip, The Performance Is Much Better Than The General Chip 3. Features: Light And Beautiful Structure, High Sensitivity, With A Small Back Bag Easy To Carry 4. Applications: Suitable For Applications Requiring Relatively High Places Such As: Gold And Silver Jewelry, Jewelry Factory Security And The Need For A Quiet School Entrance Examination Venue Mute Checks 5. Specifications: 6. Sensitivity: A25-cent Coin (60mm) 7. Iron Pipe-tube In 20 To 120mm 8. Operating Frequency: 13khz 9. Operating Current: Less Than 6ma 10. Power Supply: 6f22 9v Battery (not Included) 11. Low Battery Indicated 12. Alert: Audio & Led Light 13. Tuning: Automatic 14. 360 Detection Area With Tip Pinpointing 15. Temperature Environment: -10 ~50 Degree C 16. Detection Sensitivity: Detection Of One Yuan Coin, The Detection Distance 6cm And Above 17. Current Work: Sound And Light Is Less Than 20ma, The Vibration Is Less Than 70ma 18. Dimension: 483 X 83 X 32mm 19. Weight: 450g