SOLAR LIGHTS ARE GREAT FOR GARDENS, WALKWAYS, STEPS AND COTTAGES! INSTALL ANYWHERE THAT GETS DIRECT SUNLIGHT. DURING THE DAY, THE SOLAR PANEL COLLECTS THE SUN'S ENERGY AND CONVERTS IT INTO ELECTRICAL POWER THAT IS STORED IN THE RECHARGEABLE BATTERY. AT NIGHT, THE LIGHT SENSING TECHNOLOGY AUTOMATICALLY ILLUMINATES THE SOLAR FIXTURE. No wiring, easy to install. Safe even near water. Poyresin construction. Measures approx. 4 x 7 inches. Rechargeable battery included.