... life span In-built driver ,safety operation 300*1200 high power Led grid lamp Specs:Size:300(L)×1200(W)×45(H)mmvoltage ... :Aluminum frame white paint,excellent heat transferPower save ,low power, high efficient LED as light source,No RF,NO UV,No ... life span,more than 50000 hoursHigh brightness can replace traditional fluorescent lightApplications:Offcie room,meeting room,library ,school, hospital etc ...