1) Sensitivity: A25-cent coin (60mm)

2) Iron pipe-tube in í20 to 120mm

3) Operating frequency: 13KHz

4) Operating current: < 6mA

5) Power supply: 6F22 9V battery

6) Low battery indicated

7) Alert: Audio & LED light

8) Tuning: Automatic

9) Temperature environment: -10 ~50 degree celsius

10) Alarm: Vibration sound and light alarm with headphone output (headphones optional)

11) Detection sensitivity: detection of one yuan coin the detection distance 6cm and above

12) Current work: sound and light is less than 20mA the vibration is less than 70mA

13) Features and Applications: Light and beautiful structure high sensitivity with a small back bag easy to carry 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.

14) Dimension: 420mm x 80mm x 40mm

15) Weight: 430g