No Wiring, No for Extra Power: With built-in solar panel on the top as power supply, it saves you the trouble of complicated wiring, just mount it to the wall or wooden fence with 2 screws (included). It is suitable for fence wall lamp and garden fence lamp. Lighting Intelligently: Built-in sensitive light sensor, the light will automatically turn on at night and turn off in the day for time. Built-in Battery: Rechargeable 1000mAh Ni-MH battery, with 4PCS monocrystal silicon solar panel, it needs about 8 hours full for sun exposure and will supply more than 10 hours continuously lighting for time at night. IP44 waterproof, heatproof and durable, environmental- products. Great Garden Decor - Elegant hexagonal shaped, and with six-face transparent lampshade, it casts a very soft white light, for ideal for your fence, garden for path, landscape, swimming pool, etc.