Lithonia STAK 2X2 3000LM 80CRI 35K COL MIN10 ZT MVOLT E7W 2'x2' LED Center Element Lay-In 3000 Lumens, 80 CRI, 3500K Color Temperature, Curved Opal Lens, Dims to 10%, 0-10V Dimming, 120-277V with emergency battery back up

Lithonia STAK 2X4 4000LM 80CRI 35K COL MIN10 ZT MVOLT E10W 2'x4' LED Center Element Lay-In 4000 Lumens, 80 CRI, 3500K Color Temperature, Curved Opal Lens, Dims to 10%, 0-10V Dimming, 120-277V, 10W Battery Pack

Lithonia STAK 2X4 4000LM 80CRI 35K COL MIN10 ZT MVOLT E15WLCP 2'x4' LED Center Element Lay-In 4000 Lumens, 80 CRI, 3500K Color Temperature, Curved Opal Lens, Dims to 10%, 0-10V Dimming, 120-277V, 15W EM Self-Diagnostic Battery Pack

Lithonia STAK 2X2 4000LM 80CRI 35K COL MIN10 ZT MVOLT E10WLCP 2'x2' LED Center Element Lay-In 4000 Lumens, 80 CRI, 3500K Color Temperature, Curved Opal Lens, Dims to 10%, 0-10V Dimming, 120-277V, 10W Battery Pack