1.good quality,best price 2.lifespan: 50,000 hours 3.CE,RoHS,FCC certificate 4.18 months warranty 5.replace to 100W halogen Features:Advanced constant current driver Professional thermal managementInstant on , no warm up time required No noise ,no flickeringNo UV or IR radiation in the beam , mercury freeAnti-shock ,anti-moistureLong life span , more than 50,000 HoursCE , ROHS , FCC certification ...