... W), Low Light decay: only 4% after using for 10000 hourscontrollerSRS patent Controller, Patent NO. ZL 2007 2 0058679.1, ... free Lead-Acid Battery, waterproof with Nano Technology, specialized for SRS Solar Street LightCables and connectorsSilicon rubber with purple brass ... galvanized type, plastic-coating / painting 1.Unique patented digital controller saves 70-85% extra power than regular ones and ...