Advanced Laser & Infrared Detection 660nm Anti‑Stokes Laser – High‑energy matrix laser source excites special laser ink patterns (Anti‑Stokes effect) – revealing hidden images invisible to the naked eye. 850nm Infrared Imaging – Captures infrared security features for comprehensive authentication. 5MP Image Sensor – High‑resolution imaging with low‑distortion lens for clear, detailed inspection. Dedicated Optical Filters – High‑pass filter module ensures precise wavelength detection …