SMARTSENSOR AR954 Portable Hand-held Metal Detector (13KHz, 5*5*1mm)

Detectable Indication: Alarm Buzzer / Vibration / Ear Phone

Detectable Size: 5*5*1mm

Signal Frequency: 13KHz

Object Detectable: Aluminum, copper, iron & rare metals

Sensitivity Adjustment: √

Earphone Jack: √