... ,orange,white,RGBColor Temperature2700K-7500KOperating Temperature-10 °C to + 40 °CStorage Temperature-20 °C to + 60 °CHumidity Operating10 - 80 %Humidity ... buildings,school,college etcFeatures:· Energy saved up to 50%. high brightness,even lighting output.· 5 ... electrical wave,conforming to CE· Green environmental protection, lead-free material, conforming to ROHS· No RF interference Packing method ...