Attention: -The lamp holder has passed UL certification and meets US standards. -So you don't have to worry about security issues. Please feel free to use it.Enough brightness: -This ceiling light offers you brilliant light ,excellent color -It turns onto full brightness immediately, provides you with brilliant light without the warm up time Clean and bright light -Our luminaires offer outstanding color rendering and high luminous efficiency for brilliant lighting. Environmental protection -We use non-toxic and harmless materials, lead-free or mercury-free, and free of UV and IR radiation.