Heavy duty extruded aluminum body and flip cover with rocker switch. High impact, white translucent plastic lens with internal linear ribs to diffuse and evenly distribute light. Plastic end caps with male and female receptacles for power cords, link cable connectors or direct connectors for linking end to end fixtures. Available in 6 lengths and wattages from 12"L (4.5W) through 48"L (16.7W). Rated Life: 5 years/50K hours.