... infrared ray and ultraviolet radiation *Comparing with traditional light,this model can help you save 8000W electricity per month if it's lighted 5 ... usually a white shade, you can put a considerable part of the reverse light reflected back, in general, only about 70% of the ... / w, 36W fluorescent issued a total of 2592 lumens, but only 70% luminaries is efficiency, the effective number of lumens 1814 ...