Counterfeit Detector Machine, Color; Infrared; Magnetic Strip Detection; Magnetic Ink; Size, 4.5 x 5.5 x 3.5Prevent loss with this fast and accurate counterfeit detector machine. Dri Mark's Counterfeit Detector Scanner offers five different tests in one device that work together to verify genuine US currency. In less than one second Dri Mark's Scanner checks the bill's security strip, magnetic ink, infrared features, color, and size, producing consistently accurate results.