LED Ceiling Panel, 39W, 2x2ft, 4290Lumens, 4000K, 4Pack

High Performance: Up to 4290 lumens brightens your applications(Office, Classroom, Showroom,Conference room, Hallways etc.) Up to 100,000 Hours LED chip lifespan. Back-Lit, produces luminous flux directly without light guiding media. EASY Installations or Replacement. Support 3 types of Installations: Flush Mount/ Recessed, Surface Mount, Drop Ceiling Light Fixture. (Include Mounting Clips for rececsed-in installation. Fixture SOLD SEPARATELY for SURFACE Mounting) Certificates: UL listed avoids electrical shock and fire hazard. DLC allows eligibility for state and nationwide rebate programs where applicable. 7 YEARs Warranty: We uphold the highest standards for all our products by testing each product for optimal performance and safety. High efficiency LED chip: Add with special PMMA optical lens to obtain better luminous flux and light source distribution. 0-10V DC Dimmable: By using 0-10V DC dimmer, adjust the brightness you need. Dimmer not included. High Performance: With h