The M5 Daylight LED Light from Phottix is small, lightweight, and able to reside in your bag unnoticed until you need it. The 6600K color temperature makes it ideal for shooting in daylight or matching other fixtures. It has a CRI rating of 90 which is your assurance of superior color reproduction. It has a 5-step dimming range and runs on an internal 500 mAh battery that will give you one to one and a half hours runtime on a full charge