Mr. Light Single Solar Hanging Color-Changing Moravian Starburst LED Lights, 8-Inch Cloudy - Day Solar! Works even on cloudy days! Includes 3 AA rechargeable batteries & super-efficient solar panel Easily hung with included hook from your rain gutter, or roof eave Cloudy-day solar works even on cloudy days Includes 3 aa rechargeable batteries and super-efficient solar panel Easily hung with included hook from your rain gutter, or roof eave