* High quality isolated power supply PF>0.9,THD≤15% * AC100-277V,AC120-347V,0-10V Dimmable * Super bright LM80 LED SMD2835,Ra>80 * Remote 3000K-3500K-4000K-5000K changeable * High quality LGP imported from Taiwan * No flicker,no dark spot,protect your eyes * 5-7 days fast delivery once confirmed * High rebates,UL,cUL (E476593) certificated * Ideal replacements for traditional troffer with 80% energy saving * 5 years warranty