Smart Savers. 6-in-1 features include: 2 white LED beam lights, 1 white LED light for magnifying in the dark, 1 blue LED light for detecting money by showing the special strip inside and also the reflective ink on the bill when the blue light is shined over it, and a pen that converts from a PDA pointer to a ball point pen. 3 times magnification. Powered by 3-piece LR1130 button cell batteries (included). Assorted colors per 16-piece counter display (8 each: Blue and red).