Incandescent lights. Clear color. 10 lights with 6-in. spacing. Indoor/outdoor use. Colorful Grinch design. Decorate your home in Dr. Seuss-inspired style this holiday season with the Kurt S. Adler 10 ct. Incandescent The Grinch Christmas Lights. It features the infamous Grinch wearing his red Santa hat. This set of incandescent Christmas lights offer a warm illumination on a mantelpiece, holiday tree, or draped across garland for a fun look.