Reflecmedia RM 4221 LiteRing Controller (2004) -Intensity Controller Brand: Reflecmedia Compatible Devices: Camera Connectivity Technology: Xlr Maximum Range: 10 Meters Product Description The LiteRing Controller enables regulation of the amount of light emitted from the Reflecmedia LiteRing. The amount of light emitted is dial-operated. The controller is powered using a 4-pin XLR connector from the optional 120 volt power supply, or your camera battery. An alternate power supply is available for other AC voltages. What you see is what you get. Just the device and no additional cables. This was working when put away in storage, but that was a few years ago. I have no way to currently test it. Being sold AS-IS No returns accepted. I am being honest with you, so please only purchase if you agree to these terms. We take our reputation seriously, we buy and sell online, so we understand the value of trust! Thanks for looking at our listing and supporting our small family business! SHELF: 2