The Boltzen Q-55 High Output Watt video light has 10% more output than our previous F-55 Watt light <br>and now has 2 battery slots for Sony style NPF batteries. There is a built in cooling fan to dissipate heat<br> and is barely audible at a distance of 1 meter. The CAME-TV Boltzen Q-55 High Output Fresnel Video<br> Light light can be powered from AC (with included power adapter), NP Series batteries<br> or V-Mount battery via the included V-Mount adapter cable providing convenient use on set and on location.<br> <br> Boltzen Q-55S Fresnel Focusable Led Video Lights with Accurate color rendition CRI rated 96+ and<br> TLCI rated 97+.Enable3200K-5600K, dimmable 0%-100% Brightness.Memorized last settings.<br>It's flexibility and compact makes it suitable for a wide variety of applications from run and gun <br>video to product photography and so on.<br><br>Frequency is a strobe setting and the new light has several different effects built in. When choosing<br> frequency it is how fast/slow the strobing effect cycles.<br>Features removable barn door can easily adjust the lighting direction.Build-in wifi, support App control<br> Both Andriod&iOS.The ideal choice for photographer, youtubers, filmmakers.<br><br><b>Key Features:</b><br>High CRI/TLCI:96+/97+<br>Adjustable Frequency<br>Power Output:55W<br>Accurate Brightness adjustment from 0-100%<br>Color Temperature3200K-5600K<br>APP control both Andriod&iOS<br> There is 1 LED COB (Chip On Board)<br>Built in fan<br>Barndoor can easily adjust the lighting direction<br>AC Power Adapter included<br>Dimming Knob can steplessly adjust the brightness according to users’need.<br>LCD Display Screen<br>Can be powered from NP Series batteries or V-Mount Battery<br>Filter Set includes Soft and Milky-White filters that can create a specific lighting look.<br>Optional Bowens-Mount provides an easy way to mount a softbox and any other studio accessories<br>Voltage :DC12-14.8V<br>