Design Lights Consortium Premium Qualified. UL Listed. 20 Gauge Housing. Powder Coat Painted After Fabrication No Sharp Edges. Frosted Lens Standard / Glare Free Comfortable Light. Highest Quality Isolated Driver. 120 Volt – 277 Volt. 1 – 10 Volt Dimming Standard. Operating Temperature -4 Deg F – 104 Deg F. >.90 Pf <20% Thd. 104 Watt Rated 154 Lumens/Watt. 160 Watt Rated 130 Lumens / Watt. 5 Year Warranty.