The Seaview Light Bar is made from powder-coated brilliant white aluminum and is compatible with Seaview Modular Mounts. This light bar is 1.25" in diameter.• For use with searchlights, thermal cameras, and low-light cameras• Not for FLIR M300 Series• 21.45"W x 38.2"H For use with searchlights, thermal cameras, & low-light cameras Not for FLIR M300 Series Light bar is 1.25"" in diameter | Seaview Light Bar, for Thermal and Low-Light Cameras and Searchlights in White