Hand Held Metal Detectors

We are offering hand held metal detector. "* it can easily detect pin-size metal articles (3.5cm to the probe) * it has an independent battery low voltage system and the yellow light will be on * sound & light and vibration alarm * with shielded damp-proof sensitivity adjusting hole * working power supply: 6f22nd 9 v battery (alkaline battery, rechargeable battery), rechargeable battery should not be taken out and recharged (the price not included the charger and battery) * alarm modes: simultaneous sound (vibration)and light alarm".