1,IP65WaterProof 2,Strong turbine anti-typhoon, etc 3,National patented pole 4,CE,CCC,UL, ... Technology, specialized for Solar garden LightCables and connectorsSilicon rubber with purple brass wire inside, especially used for solar garden lightWorking Time8 hours ... : 5 ~ 7 years of maximum life, with a 2-year warranty 30W solar street lighting system With CE,CCC,UL,IEC,ROHS Certificates