LED Interior Retail Ceiling Light (CIRU). LSI drivers feature integral sensor which reduces drive current, when ambient temperatures exceeds rated temperature. Low profile, durable die-cast, aluminum construction, providing a reliable weather-tight seal. Features a choice of two arrays of select, mid-power, high brightness, high efficiency LED chips; CW - 5300K color temperature, 70 CRI (nominal) or NW - 4100K color temperature, 80 CRI (nominal).