This LED Up and down lighting fixture was designed with high efficiency drivers provide qualified illumination. Rated to deliver performance>50000 hours. Optional supplied with UL 347V or 100-277V driver.Standard 4 foot nominal white.Aircraft cable for suspended-mount application in office areas, retails stores, corridors ,classrooms, libraries,hospital.Up and down light,no glare creating a better lighting atmosphere. ● Up Wattage:40w● Down Wattage:40w● Input Voltage:AC100-277V/AC347V● Efficacy:110lm/w● CCT:3000K/4000K/5000K/6000K● Mouting: Suspended● Option:Dimmable● Certification:UL, cUL,CE● Warranty:5 years