"The Ledgo LGB150 LED On Camera Light 4x 9W LED Panels Head Kit Without Battery has raised the bar for portable location lighting. With a 95 CRI rating, unparalleled light output and an interlocking modular design, Ledgo On-Camera LED's allows to customize your light source to fit your needs.Lights with a low CRI (Color Rendering Index) rating can leave you with dull colors and poor contrast, but the high CRI of the Ledgo line of lights means you will always get accurate color representation. The modular design of these panels lets you connect as many lights together as you need. Meaning you can string your lights together to create a long bank or combine them together to form a large block. This kit combines four of the 9W LED On Camera Lights to give you a wide range of lighting options. Take advantage of the modular design to create a single light source of 4,680 Lumens or use them as four different light sources to add depth and dimension to your shots. The 4 Head kit gives you the versatility to create a very diverse range of lighting effects. The Ledgo 9W LED On Camera Light, x 4 Head KIT includes a bracket and handle, allowing your assistant handhold the lights or easily mount them on a light stand. The kit also comes with four filter sets and battery adapters, all packed in a padded carrying case."