height:2.5~4.5m high-efficient monocrystal or polisilicon silicon panels extra-bright LED, energy saving light or sodium lamp maintenance free rechargeable batteries 6~10 h/each day (can last 4~7 overcast /rainy day) proper location:>2200 h sunshine hours/per year Automatic control by microcomputer Due to the variety of solar radiation level in different areas , we would customize the products according to your specific requirements More information and pictures, please contact us