980nm IR Infrared 5mW Laser Pointer Pen Currency Detector Anti-Fake

Product Description
980nm IR Infrared Diode Laser Pointer Pen Currency Detector Anti Fake
It is IR laser,the laser light cannot be seen by human bare eyes with only using DDC/infrared camera get it.
101 Anti-Fake Laser Pointer Specification
Wavelength:980nm
Working Voltage:3V (2pcs AAA batteries, not included)
Laser Shape:dot
Size:Dia.14mm
NO VISIBLE BEAM
Invisible by human bare eyes.
It is an anti-fake currency detector.
If you use a ccd camera or a night vision goggles, you can find a weak pink dot.
The dot is not exactly round, it is ractangle.
Battery direction for installation: + pole of the battery connects to the tail of the pen, - pole of the Battery connects the spring of the inside module.
Now seems cannot work in RU

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