... led down light 1.LED source:high power LED 2.certification:CE&RoHS 3.Frequency:50/60Hz 4.Warranty:2years Specification ItemSpecificationProduct Name LED ... low light attenuation.2. Adopting optics grade PMMA materials, high transmittance. 3. Working Temperature:-25°C-45°C ( ... . Lifespan: >50,000 hours.5. High luminous efficacy, optional color temperature, high CRI, good color rendering.6. Impact- ...