MD-300 hand-held metal detector
MD-300 type metal detector is a small hand-held metal detector, mainly used for the security check important places, airports, customs court, the examination room etc.. When it detects metal, it will alarm and prompt vibration, and low voltage power supply indicator.
Voltage The 9 volt battery or rechargeable batteries, ordinary batteries, battery replacement is not more than 48 hours of continuous work.
The working frequency 22 KHz
Working current <50 Ma
Working voltage 7—9 V
The use of the environment -30℃—+55℃
Net weight 380克
Size 24（Long）*13（Wide）*2.( High) CM
The detection zone length 450mm
Alarm mode: Sound, vibration in two ways, can separate alarm.