Features:
1) Maximum detecting depth: 1.5m
2) Basic frequency: 465Hz2kHz
3) Signal frequency: 454Hz2Hz
4) Working current: 9V AA x 6
5) Power: 0.6W
6) Weight: 2kg
7) With ground balance circuitry to eliminate the influence
by 'mineralized reaction', therefore enhances detecting depth and
accuracy greatly
8) Distinguish ferrous and non-ferrous metal
9) Adopts intelligent operating system
10) Packing with highly strong ABC material, light and long-lived
11) Adopts body engineering streamline design
12) Recognizes metal sound by earphone