A slim and versatile fixture designed to give flexibility in any environment, the foldable, 2.1 x 4' KNOWLED F400Bi Bi-Color LED Light Panel from Godox delivers convenience and portability for film and television professionals. The 400W LED panel light has a wide CCT range adjustable from 2700 to 8500K and offers impeccable color rendition with a CRI and TLCI of 96. The F400Bi also features stepless brightness dimming from 0 to 100% and along four dimming curves—linear, S-curve, exponential, and logarithmic. The light also comes with 11 preprogrammed special effects modes.

In addition to local control on the unit's controller power supply, the F400Bi supports industry-standard control protocols such as DMX512 and LumenRadio CRMX Control, as well as built-in 2.4 GHz wireless control and Bluetooth support, enabling compatibility with the optional Godox RC-R9 Remote and the Godox Light App. The F400Bi is rated at IP65 for dust and water resistance, ensuring the light bead and controller remain safe and operational in adverse conditions. The light comes with the controller, a connector cable, a power cable, an X-bracket and adapter holder for mounting, a softbox for diffusion, and two bags for carrying the panel and its accessories.