Specifications: LED power: 10w working voltage: 85 to 265v ac frequency range: 50 to 60hz wide view angle color rendering index: ¡ý80ra color temperatures: warm white: 2, 800 to 3, 200k neutral white: 4, 000 to 4, 500k cool white: 6, 000 to 7, 000k power factor (pf): >0.8 lifespan: >50, 000 hours luminous efficiency range: 85lm/w integrated single powerful led light high-efficiency led driver with aluminum alloy die-cast baking varnish heatsink, clear tempered glass ensures good heat dissipation and corrosion/dust-proof waterproof and shake-proof: ip65 aluminum reflector designed after professional light distribution analysis, with good light output effect being lighted up within three seconds with high cri (color rendering index).