... extra lens, Super Brighth HPS (>70lm/W), Low Light decay: only 4% after using for 10000 hourscontrollerSRS patent Controller, Patent NO ... functions, such as, Anti-Over-charge, Over-discharge, with Light Sensor & Timer, including the Digital LED Driver to drive the LED ... proof, explosion proof , thunder proof, waterproof and dust proof.4. Solar wind hybrid streetlight has been widely used in some ...