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. 2017 Feb 28;14(5):833–841. doi: 10.1111/iwj.12717

Figure 1.

IWJ-12717-FIG-0001-c

The prototype K2 imaging device used in the study. The front view (left) shows (1) the integrated iPod camera, home button and display screen built into the device housing, (2) the sliding light emitting diodes (LED)‐activation mechanism, (3) the heat sink to safely dissipate LED heat, (4) the range finder and ambient light LED indicators. The back view (right) shows (5) the two 405‐nm emitting LEDs, (6) the imaging detector and sliding emission filter and labels for device identification and certification.