201 stainless steel baked black paint, with lights on the bottom, front light, color temperature 6500K.It can resist high temperature and low temperature without deformation, good light transmission, full and bright color, and is not easy to fade and corrode, so no matter indoor or outdoor, this advertising sign is the choice of many customers, flat words are widely used in commercial Advertising, outdoor signboard advertising, hospitals and other large signboard advertising words.