* It can easily detect pin-size metal articles (3.5cm to the probe)
* It has an independent battery low voltage system and the
* sound & light and vibration alarm
* With shielded damp-proof sensitivity adjusting hole
* Working power supply: 6F22ND 9 V battery (alkaline battery,
rechargeable battery), rechargable battery should not be taken out
and rechared (the price not included the charger and battery)
* Alarm modes:Simultaneous sound (vibration)and light alarm
* It has an independent battery low voltage system and the
* sound & light and vibration alarm
* With shielded damp-proof sensitivity adjusting hole
* Working power supply: 6F22ND 9 V battery (alkaline battery,
rechargeable battery), rechargable battery should not be taken out
and rechared (the price not included the charger and battery)
* Alarm modes:Simultaneous sound (vibration)and light alarm