The blind person can be used. The low vision and blind people can use it .

1.Image size not less than a quarter of the notes.

2.Image resolution ratio is not less than 240*320 PX.

3.Grey level 256 (Per-pixel 8-BIT) .

4.Geometric accurary: Distortion less than 5%.

5.SNR not less than 50 .

6.Processing Capacity not less than 80 MIPS .

mini black light currency detector for USD DOLLOR