We can supply all kinds of grille lamp,with CE&ROHS certificate! Detailed Selling Lead Description Features: 1) ... (clear, white)4) Ballast: electric or electromagnetic, 220~240V / 50Hz, 110~120V/60Hz5) Lamp holder: PC material by UV resistance processing ... Suitable for offices, classrooms and meeting rooms8) Installation: embedding install or put it on the light steel frame, reflectorand shell adopt ...