solar street light ModelSY-30SY-35SY-40SY-50SY-55SY-60Solar panel100W multi-crystalline silicon tempered glass encapsulatedlife time: >20yearsBattery group12V/100A maintenance-free lead-acid battery (UL ISO 9001)Life time: 2-3yearsControllerSwitch on automatically by light controlSwitch off by timerbattery over-current and over-discharge protectionMaterialCast aluminum pole with plastic-coatedClear glass or milky glass lampshade (optional)Stainless hexangular screw for connectionLight sourcesuper bright white LED (CE)Luminance equivalent to one 35W incandescent lampLife time: 50,000 to 80,000 hoursLight Flux>30LX>17LX>18LX>19LX>25LX>30LXHeight4-6M4-6M6-7M8-9M8-9M8-9MWorking hours at night6-12 hCentral degree of luminance2100lm2450lm2800lm3500lm3850lm4200lmContinuous working during cloudy weather:5-7 daysAmbient temperature: -20 to +60 degrees Celsius Details: Immune to power outages Vandal resistant hardware No trenching, no writing No maintenance Stand alone, not connected to grid Easy to install. Material: with the best light source-LED. The entire light was made of the aluminum alloy with high index of the heat dissipation, the oxidize surface also ensured the heat dissipation reliability. Meanwhile the lamp has been designed a respiratory system to ensure the dust & water resistance and self cleaning ability. Service: will reply inquiry within 24hours OEM available (design for your customize lighting) Protecting any of your private information