... 2, Low price 3,CE&ROHS 4,3*3 LED ceiling LED Ceiling Light Specification :1.Sepreate lens .,High transmittance ,different beam ... chemical substances ,no ultraviolet ,infrared radiation..High quality 3X3W LED ceiling light Applications:Residential , commercial ,gallery ,hotel ,meeting room ,schools, ... power on.,Don’t touch any parts of the bottom metal or it can cause electric shock.7.Please operate it ...