Lithonia Lighting® ZL1D series LED strip light with drop lens. Compact-design channel and cover are formed from code-gauge cold-rolled steel. Easy to install six-point row aligner included for continuous row mounting. It provides a clean look for commercial or architectural applications. Intentional up light helps minimize the cave effect on the ceiling. You get the application versatility of a fluorescent fixture with the efficiency you expect from LED. Highly efficacious, the ZL1D maximizes savings yet does so without compromising light levels. Integrated emergency battery pack option. Factory-installed nLight® Power pack option for synchronous dimming and networking. Continuous-row mounting for aisle applications.