... ≥0.8LifespanOver 50,000 hoursCertificationCE, RoHSWarranty3 Years LED ceiling light applicationsFactories, gyms, docks, billboards, buildings, lawns, gardening design ... , tunnels and decorative lighting places for illumination.LED ceiling light advantage 1. Low power, high lumen, super energy- ... 4. No any heavy metals in components, harmless to human body and environment.5. Easy to install and remove, ...