... NO.: SLAL Standard size(mm): A1,A2,A3,A4,A5, round, square, irregular design shape, Customized sizes and design are available ... . 1) Thickness: as you want 2) Light source: LED lights(light on 2 long sides),T4,T5 3) Voltage: input ... InspirationWe Pursue High QualificationWe Reject Low Imagination 2012 new style ceiling mounted led light panel