... :50000hrs CE,LVD,EMC Aluminum alloy 1. Advanced constant current driver.2. Professional thermal management.3. Instant on, no warm ... , mercury free.6. Anti-shock, anti-moisture.7. Approval with CE, RoHS Certificates and ISO9001:2008 Quality Systemstandards,and admitted ... Use powerful LED light source and high efficiency imported LED driver. Compare with sodium lights, it can save electricity around 60%.7 ...