... factor ≥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 ... lamps, 1/10 of incandescent lamps.2. Multiple color choices for different environment lighting.3. Hi-tech, ...