... 60~70% 2.Life:More than 5000 hours,10 times of the ordinary fluorescent lamp. 3.Wide ... durable. 6. Long lifespan of 50,000 hours.7. Safety standard: CE & RoHS.8. 3 years warranty. ... Province.The company has passed ISO9001: 2008 QMSC, all products are available for UL, CE, GS, CQC, PSE ... the Energy Star LM-79-08 "solid-state lighting products, electrical and photometry" LED lighting standards for the ...