MD-3003B1 Mineral detector de metales, Work frequency:20KHz, Battery 9v

FEATURES:
1.Simple and convenient operation
2.It can easily detect pin-sized metal articles (3.5cm to the probe).
3.It with a large detecting area can complete the detection by moving from top to bottom, greatly improving the working efficiency.
4.It has an independent battery low voltage system and the yellow light
will be on.
5.It has double indication modes, namely sound & light and vibration to accurately and rapidly judge the metal position.
6.With shielded damp-proof sensitivity adjusting hole, it seldom fails and is economic and durable.

SPECIFICATIONS:
External dimensions: Length 415 mm*65 mm*40 mm
Packaging dimensions: 44.5 cm*26.5 cm*52 cm
Unit gross weight: 0.5 KG/PCS
Product weight: 25/box, 13.3 kg/box
Working power supply: 6F22ND 9 V battery (alkaline battery,
rechargeable battery)

Note: this mineral detector de metales is manufactured by Northvision.