The D40 Studio offers a rugged die-cast enclosure, noiseless fan-free operation, multiple lens options and an advanced user interface. The user interface enables easy configuration and specific features for video and film applications. D40 Studio HD – combines warm-white and cool-white LEDs for variable color temperature mixing. Added to this are five carefully chosen LED colors from the Selador x7 Color System to fill in the white LED spectral gaps. The high-intensity D40 Studio HD provides the richest variable-white light possible in an LED fixture and excellent color rendering