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Hitachi appliances launced new houselight product: LED ceiling light and fluorescence ceiling light on August,30th ,2011. LED ceiling light’s characterisitc is that it is easy send out white LED light in house and emphasie on brightness, and the maximum combined efficiency up to about 128lm/W, rated service life up to 21,000 hours are the characteristics of the fluorescence ceiling light. hitachi planed to make endeavor for develop of LED light business after launch ceiling light.
