Shallow plenum - under 2.5" deep RTC fits the most challenging spaces, Standard and high lumen models up to 7000 lumens, Up to 133 lumens per watt delivering up to 56% energy savings, Stock and MTO SKU available in 3500K and 4000K, UNV driver and 0-10V dimming standard, Lumen maintenance L75, 60K hours, Impact resistant polycarbonate lens with linear prisms for uniformity, Easy to install - standard access plate and linear disconnect included, Unibody Matte White paint after fabrication finish