Solar panel: 30wp Battery: 12V/38Ah, fully sealed and maintenance-free lead-acid battery Controller: 5A,special controller for solar lamps, protection against overcharge and over discharge, light control and time control Light source: 8W super-illuminated LED Lamps post: 3-4m ,cast aluminum, overstriking and thickening, hot galvanization spraying-plastic Lighting time: fully charged lamps may work 6-10 hours a day (adjustable) and last 3-5 days on-end in cloudy or rainy weather Applicable temperature:-40íµ-50íµ Wind-proof capacity: í¦150FM/H