... Lamp holder : E27/PLC Size: : 2.5" , 3", 3.5", 4" Simple Vertical downlight with carved (CE,ROHS approved)Optional Size : Dia.2 ... .5", 3", 3.5", 4"Ceiling Cutout(mm) : Φ77, 87 ... shape, solid and durable structure, Its surface is processed with static coating or introduces hard galvanization technique which is ...