Aputure Amaran AL-528C Bi-Color Dimmable LED 3-Light Kit Perfect lighting for special angle for dramatic effect in studio and teletorium Double power supply system, AC adapter and common lithium batteries (Sony F/FM/QM Series) Freely rotate the brightness wheel to adjust brightness output. LCD displays from 10% to 99% Only 3.2cm in thickness, which is much thinner than other LED video lights Comes with a better and larger carrying case