T5 fluorescent (3500K). Energy efficient compared to the traditional T8 and T12 lamps. Composed of a full aluminum channel and available in lengths of 9.375 in. (238 mm) to 58 in. (1473 mm). Easy to install and perfectly suited for countertop and alcove lighting, each unit comes with a power cord, a mounting clip, a continuous installation joiner and a 6 in. connector (15mm) for spacing or cornering. Rigid and flexible wire connection boxes are available for direct connections. Lamp included (not under warranty).