... 2.longer life span , 3, good groud illuminance Best solar street light ever *severy years professional experience. *3-5 times ... functions, such as, Anti-Over-charge, Over-discharge, with Light Sensor & Timer, including the Digital LED Driver to drive the ... 5 times longer rainy/cloudy days than the conventional solar street lightsPolehot galvanization, with Paint/plastic finishSolar panel frameangle ...