Table 1.

Comparison of technical features of first and second generation colon capsules

CCE	Year of introduction	Size (mm)	Field of view	Frame rate (images/s)	Frame rate in the upper intestines	Special features
PillCam Colon 1 (CCE-1)	2006	31 × 11	156°	4	Sleeping mode 1 h 45 min	-
PillCam Colon 2 (CCE-2)	2009	31.5 × 11.6	172°	4-35	14/min until first frame of small bowel	Adaptive Image rate, Graphic interface, Live imaging

CCE-1: First generation colon capsule endoscopy; CCE-2: Second generation colon capsule endoscopy.