... extra lens, Super Brighth HPS (>70lm/W), Low Light decay: only 4% after using for 10000 hourscontrollerSRS patent ... Anti-Over-charge, Over-discharge, with Light Sensor & Timer, including the Digital LED Driver to drive the LED lighting, Protective ... conventional solar street lightsPolehot galvanization, with Paint/plastic finishSolar panel frameangle Iron, hot dip galvanized type, plastic-coating / ...