Detailed description
Metal detectors: A, Type B 2
Ultra-high sensitivity, can detect small black and non-ferrous metals, including gold, silver, copper, aluminum and so on. Suitable for all sizes of factories and security departments to conduct searches.
Power: 9V (6F22)
Operating frequency: 22KHz
Operating current: less than 50mA
Operating voltage: 7V-9V
Indicator: visible red and green LCD indicator;
Sound: horn or headset (not included in headphones)
Control: switch buttons;
Sensitivity can be adjusted
High sensitivity: 15mm at Pin;
45mm at USD 25 Cent
Low sensitivity: only large metal alarms, such as pistols, knives, etc.