Grasslands Road LED 7-1/12-Foot Color Changing Dragonfly Strand Indoor Patio Lights, Battery Operated Requires 3 aa batteries Indoor, protected from elements area use only 3 light changing effect modes Requires 3 aa batteries Indoor, protected from elements area use only 3 light changing effect modes Cool to the touch when lit, long lasting 10 lights per strand, 7-1/5-foot lighted length, 9-1/2-foot total length