led bulb led led light Long life span. Attenuation <30% after 40000 hours led bulb led led lightProduct DescriptionFeatures1,Original radiator structure (national patent), ... environmental materiel.Most components can be recycled, no light pollution,no radiation or environmental pollution.6,Long life ... (TJ<60°C,when environmental temperature Ta=25°C)9,No UV, no radiation.ParametersWorking Volt(V) AC85V ...