TS90 Hand-held Security Metal Detector, Detection Distance: 60mm

1. Sensitivity: A25-cent coin (60mm) 2. Iron pipe-tube in 20 to 120mm 3. Operating frequency: 35KHz 4. Operating current: Less than 8mA 5. Power supply: 6F22 9V battery 6. Low battery indicated 7. Alert: Audio & LED light 8. Tuning: Automatic 9. Temperature environment: -10 ~50 degree C 10. Dimension: 420 x 80 x 40mm 11. Weight: 450g