8" Quartz luminaires are architectural and commercial-grade LED high-lumen downlights. Each luminaire includes two tunable switches: Selectable Lumens allows the end user to determine the wattage input, and Selectable CCT allows changing the color temperature appearance. Downlights include two tension steel spring clips, which allow the luminaires to be installed without any frame-in or housing for easy installation. Rating: IC Input Voltage: 120-277VAC Lumens / Wattage: Selectable Lumens (1650lm / 15W; 2200lm / 20W; 2700lm / 25W) Color Temperature: Selectable CCT (3000K / 3500K / 4000K) Dimming: 0-10V Finish: Matte Powder White Accessories: Oversize Ring (NQZ-8OR-MPW), New construction frame-in (NQZ-8R-F) or Reflector inserts (NQZ-81REFL) Emergency: Remote emergency battery ordered separately (NEPK-20LEDUNV) Listing: cETLus Listed for Wet Locations