... sharply.Save 70-80% electric energy than incandescent lamp 5,Environment friendly.no UV no infrared radiation ... Advantages: 1,high-quality aluminum housing,and better heat dissipation,light decay less,live longer2,Brand ... protects heat, prolonged use of more secure than traditional halogen lamps 9,wide voltage constant ... life of lamp,lamp beads with more than 50000hrs no problem,but if the transformer ...