F4 is a powerful and versatile lighting solution for underwater photography. Here's a summary of its key features: --- Dual switch buttons with 9 mode functions for clear stepless dimming. offer a lot of flexibility and the stepless dimming feature ensures precise lighting adjustments. --- It features a Focus Mode with white, red, blue, and optional UV or other color lights, as well as a Strobe Mode that can be synchronized via a fiber cable, a perfect match with compact camera. --- The light has a high Color Rendering Index (CRI) of Ra96 and a color temperature of 5600K, providing accurate and natural lighting. --- Powered by a 3*18650 battery pack and can deliver up to 5600 lumens of brightness with a beam angle of 120 degrees. --- The compact and lightweight design makes it easy to carry, weighing just 460g and measuring 137mm×46mm×56mm for the head dimensions.
