... ’s , higher energy- saving than 60% fluorescent’s. 2).non-ultraviolet rays,Infrared,non- thermal radiation,mercury substances. 3).Fast response , no ... weight: (2 pieces) 14KGKelvin: 2,700 to 8,000K Working frequency: 50/60Hz Lifespan: 50,000hrs Central lux (2 meter): 195 ...