4" ELO LED luminaires are a thin 5/8" surface mounted luminaire two tunable switches; Selectable Lumens allows the end user to determine the wattage input & Selectable CCT changes the color temperature appearance. Luminaires mounts easily over a standard or fire rated junction boxes. Input Voltage: 120-277V Lumens / Wattage: Selectable Lumens (700lm / 7W; 900lm / 9W; 1150lm / 13W) Color Temperature: Selectable CCT (27K/30K/35K/40K/50K) Color Rendering Index: 90+ CRI Dimming: 0-10V Finish: Matte Powder White Listing: cETLus Listed for Wet Locations