... . Sunlight, save and power to battery by solar pane; 3. Waterproof YF-SL01 Solar Light: 1. Solar Panel: 1.5V/133mA2. Battery: NI-MH ... is made by iron, the frosted chimney can make the light well-proportioned6. It can widely used and has a high ... just need sunlight, and save the power to battery by solar panel