Hykolity 2ft x 2ft 40w LED Troffer Flat Panel Light Ultra Thin Commercial Drop Ceiling Edge-Lit Dimmable Lamp Fixture 4200lm DLC Premium 4.2 Qualified-Pack of 2<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>✔ ENERGY SAVING - Energy Savings of up to 65% over our product's lifespan. Rated over 50，000 hours of use， that's about 23 years @ 6 hours/ day.</li><li>✔ QUICK AND EASY INSTALLATION - This led troffer panel light can be directly installed on a drop ceiling or installed with a surface mount kit.</li><li>✔ HIGH PERFORMANCE - A smooth PMMA cover allows for uniform light output at a stunning 4500 lumens to replace old fluorescent tube fixtures.</li><li>✔ WIDE APPLICATION - Widely installed in home， hotel， office， meeting room， show room， hospital， supermarket， schools， etc.</li><li>✔ DIMMABLE - Our lights high quality driver allows our light to dim without any unwanted flickering， flashing or humming noise.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41oAg2VjLjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51lspPeRBfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4182d9JRzEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tmq962U8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51LthrQJeXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pONfLeK0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51051BtyuCL.jpg" noproxy>