This solid state flange assembly is made of a grey polycarbonate then incased in a chrome plated finish. The M9FC900 converts a preexisting 900 series warning light mounting area to the M9 series warning light. The M9FC900 has the ability to surface mount any M9 Super-LED series warning light. The M9FC900 includes an installation guide. The M9FC900 installation kit includes reflector gasket, conversion gasket, and mounting hardware. The M9 series warning light is sold separately.