... lighting shape, without extra lens, Super Bright LED(130-140lum/W), Low Light decay: only 4% after using for 10000 ... , including the Digital LED Driver to drive the LED lighting, Protective Rank IP67, It can make our solar street light save another 80% ... times longer rainy&cloudy days backup.2. Super bright LED with rectangular light distribution. 50-130% higher ground illuminance than others' ...