1.Rated working voltage is AC85V-265V, working frequency is 50-60HZ,power factor>0.85
3. protection grade is IP 20 for indoor, driver power efficiency can reach 91% by the greatest and 5% high- precision constant current, LED works well and more stable in range of -45℃- +55℃ temperature.
4.Our LED bulbs have passed through CE/UL certification, and it with high-Quality aluminum radiator which has larger radiating area and better heat dispersion than traditional LED bulbs.