... 50Hz; 4, elegent design,best price big crystal lampZhongyi Lighting Crystal big crystal chandelier:1. Feature:modern and hall lighting,exquisite,magnificent,peaceful, ... available.4. Lamp Body Material:Crystal,iron.5. Crystal:first chinese crystal(with lead oxide 24%),Egypt crystal,Swarovski -- These crystals are precision ... grade but price is very competitive.Other style: big crystal lamp ZY-81039D