Operating frequency:20 Khz
Weight:272 g(including the battery)
Length: 420mm width138mm height: 110mm
handle measurement:30X30mm
characteristics |
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characteristics: | ||
Characteristics: | 1、 Use cycle-switch to switch sound alarm and hidden vibration alarm respectively |
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2、 Hight sensitive,detect ferror metal and non-ferror metal |
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3、 Sound and light alarm simultaneously |
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4、 Alkaline cell (7V-9V) can work over 40 hours and distance does not change |
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5、 Warn automatically when short of voltage |
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Detecting distance: | ferrous metal detection range | Non-ferrous metal detection range |
1、1/2pin 10mm | 1、aluminum&copper sheet 10 |
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2、model 64 pistol 150mm | 2、DIP14 IC(integrate circuit) 5 |
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3、6 inches dagger 150 | 3、Silver ring 1g 40 |
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4、8mm(diameter) 40 | 4、Lead brick 1g 30 |
Operating frequency: | 20 Khz | < |