Detailed specification: 1.Model: VSL-180-5.2.Specification(1×40W LED lighting source)H8000.3.Solar Panel: 180W, mono-crystalline,20 years' warranty.4.Rechargable batteries: Maintenance-free 24V/240AH.5.Controller: Digital programmable, switch on/off by light and time setting.6.Light source: Cree LED light source, with100 lm/W, total 40W, with 3920 lm of lighting power.7.Pole: Q235, zinc-plated steel pole and customized color.8.Color temerature: 2700K 6500K optional.9.Illuminate10h/days,even under cloudy/rainy day for5 days above.10. Work temperature:--30oC +50oC..11.The lamp frame is zinc-plated and plastic-coated.12.Wind-resistance≥150MPH.