The color temperature output is variable from a cool 60000K to a warm 3200K by a smooth-tuning dial on the back
The stepless dial rotates with a bit of resistance that encourages fine-tuning
Brightness is adjustable, flicker-free, from 10 to 100% by another stepless dial on the back
Easy to be powered up by NP-F550, F750, F970
Power: 12W
Model B: Soft light.