CREDIT CARD ONLY Sign is designed with energy-saving LED direct-view illumination. The sign face is black; message CREDIT CARD ONLY displays in amber LEDs; character height is 3.25". Message blanks-out when off. The sign is designed with a solid-state circuit board and integrated power supply that are enclosed in a corrosion-resistant aluminum extruded cabinet. UL/CUL Listed. The cabinet finish is Duranodic Bronze. Customized messages and other cabinet sizes are available. Control switch not included.