... Temperature:-20,+45degreeLumen:780LM1560LM780LM900LM1560LM1920LMColor Rendering Index:80Product Material:Aluminum+PC(transparent, semi-transparent)Life span:50,000h Features & advantage:longer lifespan ----- reaching 50000hours ... ,hotel,restaurant ,meeting room, office building,light box and other public sites Package:1pc/box, 50pcs/carton Picture: other products: flexible strips ...