Technical Data-System : 30W Solar LED Street Lighting System 8M Pole Height 30W LED lamp 11-12Hrs 3-4 Lighting time/night, Back up 3-4 continuous rainy or cloudy days, Working temperature: -30℃-65℃. Solar Panel: Lifespan:20-25 years 120W for 12V Lighting, 17% Efficiency, Poly Crystalline Silicon. Adding Aluminum Frame, Tempered Glass. Gelled Battery Lifespan:5-8 years, 120Ah/12V, Sealed Type, Gelled. Deep cycle. Maintenance Free. Intelligent Solar Controller, Lifespan:5-10 years 15A/12V, Automatic Light and Time Control Over-charging/discharging Protection Reverse-connection Protection Switch on Automatically with Light Sensor. LED LAMP Lifespan: >100000Hrs 30W LED, White Color,120LM/W,>30Lx,6500K, IP68,120 Degree Angle, High Power, High Brightness. Lamp Housing: Lifespan: More than 20 years Die-casted Aluminum, IP68 High transmittance &density toughened glass. Pole: Lifespan: More than 20 years 6M Height, Steel, Hot-Dip Galvanized. With Arm, Bracket, Flange, Fittings, Cable, Etc Plastic Coated, Rust Proof, Resistant to Wind: ≥150KM/H.