Suited for indoor and outdoor use. Requires 2 AA batteries (not included). After hours of use, they are completely safe to touch without risk of burns and safe for children and pets. It's perfect for making ideal decoration for weddings or rooms, injecting a warm romantic light to table centerpieces. These wonderful Solar String Lights illuminate during night, add warm and charming atmosphere to your gardens, patio, lawn, porch, gate, trees and walls. Features: Lead wire 50cm Distance between each LED 15cm (Total 3.35m) Material: ABS, METAL Battery Operated (Batteries NOT Included) Flexible, and easy to use Trendy Style Can be used indoors and outdoors