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FEATURES 
1.Portable,fashionable style and operate simply,suitable for detecting matal at any places. 
2.Cooperate with safe inspecting equipments to increase the efficiency of detecting. 
3.Detect both bigger and smaller items sccording to different objects. 
Alarm by shake or buzzer. 
5.Earphone socket. 

PURPOSE 
Detect all kinds of metal. 

SPECIFICATIONS 
Model: 3003B 
Detection method: electric induction 
Operation frequency: 22.0KHz 
Detection sensitivity: Smaller items ex:fastener or bolt 
Alarm: Buxxer/vibrancy/LED 
Dimension: 41*8.5*4.5cm 
Power source: 9V battery 
Net Weight: 410g