... . Long life span 3. Protection Rating: IP65 4. Working time: 12 hours/day ItemParameter1,Working model: solar power electrical 2,Solar panel ... spray coated, including solar panel bracket and lamp arm, 30 meters between two poles. 9,Relative humidity:80%RH10,Eav and ... width of road :8-10m12,Working time:12 hours/day, 6 hours full-energy mode + 6 hours energy-saving mode,4 days continued overcast ...