1)Better ground illuminance: We use our own patent LED which have rectangular shape light distribution without using lens. Our 50W LED is brighter than 250W sodium lamp which is typically used for 8 meters pole (regular vendors need about 80-120W LED lamp to reach the same ground illuminance like us). 2) 100% lighting in rainy days: Our solar street light can save >80% power than the regular solar garden lights. Therefore, our solar street light can work 5 times longer in rainy days than the other solar street lights. It means, under same configuration, if other company¡¯s product can work for 5 rainy days, our solar street light can Work for > 25 rainy days. By now we¡¯re the only company who could guarantee 100% lighting of solar garden light throughout the year. 3) Longer Life span: The life span of our solar street lights is much longer than many regular vendors, e.g. our battery could work for 5-8 years V.S. 1-2 years (