Fangrui Product Details 1. Tx-2002 Hand-held Metal Detector High Sensitivity Examination Room Detector 2. Audio And Visibility Led Display 3. Power-on Indication (white Led) 4. Target Indicator (greenred Led) 5. Sensitivity Adjustment Function 6. It Can Detect Undetectable Metals Buried In Beaches, Caves, Grasslands, Etc. (such As Coins, Cultural Relics, Jewelry, Gold, Silver, Etc.). This Detector Is Versatile, Simple And Easy To Operate, And Is A Good Helper In Search Work. 7. Power Supply: 9v Standard Or Rechargeable Battery (not Included) 8. Working Frequency: 90khz 9. Audio: 2.3khz 10. Working Current: 50ma 11. Working Voltage: 9v 12. Temperature Range: -5-55 Degrees Celsius 13. Net Weight: 120g 14. Appearance Size: 19.2(l) X 6.5(w) X 2.2(h)cm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.