Main Function:                                                                                                                        

1. With super high sensitivity, it can detect extremely tiny metal articles.

2. The adjusting button can eliminate interference.

3. The auto-testing will begin when it is turned on.

4. It needn't adjustment. With a large scan area it can rapidly and accurately complete the detection.

Operation instruction:                                                                                                              

1. Working frequency: 95 KHZ

2. Size: 42 cmX4.13 cmX8.3 cm

3. Weight: 0.5 KG

4. Adjusting mode: Automatic

5. Battery: a 9 V battery (can afford 80 hours of normal operation)

6. Indicator: The sound gradually rises.