T10 SMD LEDLong life,Up to 50,000hours:working for 10hours a day,can be used for more than 13 years,is ... 5-10 times working life T10-25SMDThe series ... Up to 50,000hours:working for 10hours a day,can be used for more than 13 years,is 5 ... ligth source and high power efficiency power supply,which can save energy70% than the conventional sodium and mercury lamps ...