Lighting efficiency? All signs point to cold cathode lamps
Five-watt, cold cathode lamps offer energy-efficient, cheaper alternative to incandescent bulbs for rapid-cycle applications such as marquees and flashing
Five-watt, cold cathode lamps offer energy-efficient, cheaper alternative to incandescent bulbs for rapid-cycle applications such as marquees and flashing signs. Choose from A-line, torpedo with candelabra base, and R20 shapes in red, blue, green, yellow, clear, and frosted. Bulbs last 25,000 hrs.