Hand-Held Needle Detector Metal Detecting Device ST-30C Sound-Light Alarm

Model: ST-30C
Detection Method: Magnetic Field Induction
Detection Sensitivity: High Range FeФ0.5mm-0.8mm; Low Range 0.9-1.2mm
Sensitivity Adjustment: High/Low Range Adjustment
Detection Width: 50mm
Detection Height: 10mm-50mm
Alarm Method: Audible and Visual Alarm
Power Supply: 6F22-9V Battery
Power Consumption: Standby <5mA, Alarm <30mA
Dimensions: 190X52X42mm (LxWxH)
Net Weight: Approx. 280g