Product details:

The replaceable, cool to touch, and break-resistant LEDs are ENERGY STAR Certified to save energy costs and will brighten your holiday decorating for many seasons. Each 5.5 inch sphere is brilliantly illuminated with 50 LED lights and can be used to enhance and decorate a tree, mantel or wreath. Safe to use outdoors it can be used for outside decorations as well. Comes with an end-plug so you can easily connect additional spheres - up to 25 total. It features an energy-efficient design to save electricity costs. GE 5.5 inch decorative sphere with 50 warm white LED lights. Energy Smart. Random Sparkle. Fused Plug, White cord with 36 inch lead wire. Connect up to 25 spheres. Connect up to 25 sets. For indoor/outdoor use.