... >50000 hours(12-hr per day, equivalent to approximately 11 years and 4 months)Power SupplyConstant CurrentCertificationCE,RoHS,FCCWarranty3 yearsMOQ1 ... , No flickering or buzzing.12.Quick and easy installation to minimize retrofit costs.13. No UV & IR, No ... Application Replacing the tranditional halogen lamps directly.electricity-saving up to 80%,Factories, gyms, docks, billboards, buildings, lawns, ...