Set hearts aglow this Valentine's Day with our heart-shaped novelty string lights. The pink hearts each house one warm white micro LED light, providing a warm cozy glow. Perfect for Valentine's Day, Sweetest Day or anniversary celebrations! Details: Warm white bulbs and clear wire Pink heart-shaped light covers (1.75" x 2" x 1" each) 10 micro wide angle LED lights Lighted length: 4.5 ft. Total length: 5.5 ft. Spacing between each bulb: 6" 12" lead cord Non-replaceable bulbs Cannot connect multiple sets together Requires 2 AA batteries (not included) Convenient on/off switch on the battery pack LED lights use 90% less energy Bulbs stay cool to the touch Plastic and wire For indoor use only