1,residential metal halide ceiling luminaire 2,size:d50 E27 3,energy--saving 4,long life Model NO. GC5-4-1size D220H200d50 D310H270d50 D350H290d 50/70 material enamelcolor Inner white outer greyvoltage 220v 50-400wdelivery time no more than 20 dayscertificates UL,CE,IEC… residential metal halide ceiling luminaire