Used Sola 4's 5600K match perfectly with the Litepanels E series of panels. They work great! Just have some physical scratches. They also connect to DMX for a permanent install in a studio. Super fun! One is missing a knob but you can still turn the metal tip and focus the light. Make me an offer! WHAT'S IN THE BOX: 2x Litepanels Sola 4 DMX Controllable LED Fresnel Yoke Power Supply AC Power Cable The performance of a large Fresnel - with the advantages of LED technology. The smallest DMX controllable LED Fresnel on the market, the daylight-balanced Sola 4™ offers the controllability and light-shaping properties inherent in a Fresnel light at a small fraction of the power draw of conventional fixtures. Like the rest of Sola Series, Sola 4 provides Litepanels’ famous soft light quality. Features: A true Fresnel fixture that produces soft, directional illumination Litepanels proprietary heat-free LED technology High quality 4” Fresnel lens Energy savings and extended bulb life provide a <3 year ROI in typical studio applications Daylight color balance with no external ballast or restrike period required AC/DC power with DV power via 4-pin XLR Integrated DMX module with RJ45 (Ethernet) connectors for remote control using DMX512 protocol 100% to 0 dimming with no noticeable color shift or flicker at any frame rate or shutter angle Focus control from 72° to 13° beam via on-fixture dial or DMX Robust lightweight housing Standard yoke for easy mounting and positioning 39W power draw with output comparable to a 125W HMI