... 1.Feature of LED downlight 1) use high-tech, energy-saving and Environmentally friendly high quality LED; 2) Give ... polarity protected, Constant current regulation 2. Downlight Product Advantage· Energy saving up to 70%· Working temperature: -22 to 50 degree ... ,high light efficiency, 90% of the electronic energy transfer into visible light.3,Energy saving, the power consumption of the led light ...