Specification 1. power:36 pieces/3.6W; 48 pieces/5W; 60 pieces/6W; 2. available voltage:96/AC -220/AC 3. the crust of electrical source case: ABS plastic 4. the crust of lamp head: ABS plastic or aluminium 5. color-temperature:6000K (or book) 6. connecting caliber:60mm (or book)