... light, will not cause the waste of energy.3, No noise: Rectifier will not be used ... , the same illumination energy saving of about 60%.3,Longevity ---- the light of long-life, 10 ... tungsten, mercury and other harmful metals.5,Safety ---- constant current power supply, no fragile glass components, to ensure ... the instructions. 2. Turn off the power .3. Connect the power supply input to the suitable mains ...