PrevaLED BRICK HP UHE IP is the sealed ultra-high-efficacy BRICK light engine — for example 7,500 lm in a 3×8 layout — from 1800 K up to 5700 K at CRI 70 or CRI 80. Zhaga book 19 dimensions, third-party optics such as LEDIL, -40 °C to +70 °C operation and up to 100,000 hours (L80 B10), for street, area, industrial and high-bay luminaires.