sell Hand-held metal detector-MD200
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1, Operating frequency: 20Khz
2, Weight: 272g(including the battery)
3, Size:420(L) X138(w) X110(H)
4, Hand: 30x30mm
5, Indicator: BZ, vibration motor
6, Battery: A9v battery
7, Control : Circulation switch(On, OFF, light and vibration)
1, Use cycle-switch to switch sound alarm and hidden vibration alarm respectively.
2, High sensitive, detect ferrous metal and non-ferrous metal as well.
3, Sound and light alarm simultaneously
4, Alkaline cell (7V-9V) can work over 40 hours and distance does not change
5, Warn automatically when short of voltage
Simple, convenience to operate; easy to adjust.