Smart Sensor Hand-held Metal Detector, Metal Detector Meter

                                                                                                                Product Features :

Metal detector utilizing electromagnetic induction principle, the use of alternating current through a coil to produce a rapidly changing magnetic field. The magnetic field inside the metal object can be an eddy current can be induced. Eddy current will produce a magnetic field, the magnetic field affect the original upside down, causing the detector beeps. 

Technical Parameters :

- Probe tips: Sound / Vibration 
- Detectable distance: 2.5inch/50mm
- Detection frequency: 13khz 
- LED light alarm 
- Sound alarm: > 75dB 
- Low battery indication function 
- Detection principle of electromagnetic induction 
- Can detect both positive and negative direction 
- There Lanyard 
- Working Environment: 0 ~ 40
- Storage temperature: -20 ~ 70 

Packing :
- 9V DC battery power 
- Product Weight: 365g 
- Product size: 410 * 80 * 40mm 
- Packing boxed