noneSolar Panel:50/20PW Silicon Solar Panel Rech.Battery: Maintenance-free lead-acid rech.barttery Lamp:128Pcsx24000mcd of Super bright LED(s). Over 1000Lm or Rare earth energy-saving light.20W Lighting Time: 3 nights.9hrs per night by charged for full shiny day Controller: Operates Automatically overcharge and over discharge Protection Pole and Stand: Plastic-coated Operating Ambient temperature:-40C-50C Wind-resistance:=150km/h