The ultimate in indirect lighting! Each 1” x 4” S4S Western Red cedar board provides the facade behind which hides (16) 6-watt low voltage bulbs, powered thru a 150-watt transformer for 4' lengths and a 250-watt transformer for 8' lengths. The panel is usually mounted over the upper bench in the rear of the sauna to provide a soft glow of light to add ambiance to your sauna experience. Multiple units can be used for more light.