... type: semiconductor laserCapacity: 50mW, 100mW 4. Included KPT laser pen, a metal container, focusing card, and user manual ... the power button, and there will be a green light appearing on the focusing card.3. Locate ... and hold it for 30-120 seconds, or till you feel the warmth from the laser beam.5. ... to detect counterfeit bank notes: simply direct the laser beam to the counterfeit detecting spot on the ...