Offered in 4,100 K color temperature, LED Cooler and Freezer Lamps optimize product displays for food and beverage retailers. Tubes come in 4 lengths from 36–72 in. with corresponding outputs of 8–23 W. Engineered to operate at 24 Vdc, lamps combine with external constant voltage driver to provide 50,000-hr life at L70 standards. Unlike fluorescent bulbs, LED lamps are unaffected by frequent switching, and can be configured for use with on/off switches and occupancy sensors.