Built on the foundation of the popular LS C300d, Aputure’s Light Storm LS C300d Mark II LED Light Kit is an enhanced version with 20% more power, refined features, and advanced connectivity.  Chip on Board (COB) technology produces a 5500K color temperature, with power consumption of just 350W, while outputting 3500 lux of light with an efficient reflector at a distance of 9.8′.