PrevaLED BRICK HP UHE is the ultra-high-efficacy BRICK light engine for street, area, industrial and high-bay luminaires, from 1800 K up to 5700 K at CRI 70 or CRI 80. It works from -40 °C to +70 °C, follows Zhaga book 15, accepts third-party optics such as LEDIL, and lasts up to 100,000 hours (L80 B10).