... efficiency Model ZDSR-002-45WLED street lamp:ZDJY-002-45W×1pc,chip from CREE LEDs,American.Solar panel:100W×1pc,monocrystalline. ... Controller:12V10A×1pc,solar charge controller,Battery:12V100AH×1pc, ... ,pot galvanizing and plastic spray treatment.(Including the lamp arm and the solar panel bracket.)Other parts: battery box,wire, ...