2013 2U classroom lamps 2,100% Tir phosphor 3,Real power:>85% 4,Lifetime:6000~10,000hrs 5,CE,(EMC ,LVD)ROHS,SAA,TUV,UL. 2013 2U classroom lampsApplicationHome,hotel,restaurant,office,meeting room,shops and supermarket1.Warm White:<2700K:we will feel warm and health,comfortable if used in houses,home,bedroom, hospitals,hotels.2.Warm light :2700K:a soft light,we will feel pleasant,comfortable, ...