*With super high sensitivity, it can detect extremely tiny metal articles.
*The adjusting button can eliminate interference.
*The auto-testing will begin when it is turned on.
*It needn't adjustment.With a large scan area it can rapidly and accurately complete the detection.
Working frequency:95 kHz
Size:42 cmX4.13 cmX8.3 cm
Battery:A 9 V battery (can afford 80 hours of normal
Indicator:The sound gradually rises.