Skip to main contentxCELLigence RTCA eSightThe xCELLigence RTCA eSight enables comprehensive insight into cell health, cell behavior, cell function and cell biology processes using live, simultaneous, and real time biosensor impedance-based and image-based measurements. The eSight system combines the label-free xCELLigence RTCA technology with live cell imaging in 3 colors (red, green, and blue). This combination allows for informative live cell analysis.