Energy saving 50% above ,More strong and more cold-resident than fluorescent lamps Lifespan:40,000 hrs 2 years warranty Features: 1. Safe for installation 2.Energy saving 50% above than fluorescent lamps3.More strong and more cold-resident than ordinary fluorescent tube4. Average life span more than 40,000hrs5. EMC,CE and Rohs compliant6. No strobing during working, fast response , no damage with ...