The Boltzen 55W video light includes an adjustable Fresnel lens, allowing you to focus the light and achieve a longer projection. When used without the lens, the light becomes a wider flood, and the included barn doors help control spill. This versatility allows you to go from a narrow spot to a wide flood, all with a single continuous light. The Boltzen 55W video light shares the exact same housing as our Boltzen 30W Fresnel, except it has a built-in cooling fan to dissipate extra heat. Our fans are barely audible at a distance of 1 meter. The CAME-TV Boltzen 55W Fresnel video light can be powered by AC (with the included power adapter), NP series batteries, or V-mount batteries, and can be powered via the included V-mount adapter cable, making it convenient for use on set or on location. It has a high CRI (Ra96), a color temperature of 5600K, and one LED COB (Chip On Board), a built-in fan, barn doors for easy adjustment of the light direction, and an AC power adapter is included. The dimming knob allows for stepless adjustment of brightness according to the user's needs. It can be powered by NP series batteries or V-mount batteries. The filter set includes soft, milky white, and orange filters, allowing you to change the color temperature to match your existing setup or create a specific lighting look. While it can be used with batteries only, the battery will drain quickly when used at full power. This has been the case since I purchased it, so I assume it's the intended specification. Everything in the photos is included. Thank you.