• Strong penetrabilty, highly sensitive metal detector

• The machine is based on the original HY929

• Using new components and the most advanced technology, the penetration enhancing times, sound quality greatly improved

Specification:

• Rated current: 10mA

• Power supply: 3.7V

• Probe sensitivity: -70Ddb

• Time required to fully charge: about 5 hours

• Penetrating medium: cement, steel pipe, rock, wooden board

• Listening method: headphones (16Ω speakers can be connected externally)

• Recording: external 3.5mm audio cable is required for recording

• Audio magnification: 20000 times