height of pole: 8.5 m applicable light source: hi-power led50w solar panel: hi-efficient mono-crystalline/poly-crystalline power of solar panel: 65w x 2 pcs fan：300w，24vdc control system: automatically controlled by microcomputer, over-charging and over-discharging protection battery: 100 ah/12v x 2 sets, maintenance free, fully-sealed lead acid storage battery lighting hours: 8 hours per day or more, 5-7 backup rainy days when the battery is fully charged working temperature: -20℃-60℃ material of the pole: plastic coated on hot-dip galvanized steel pole the design, configuration and manufacture can meet customer’s requirements