Pansdore 20 LED Round Ball String Lights. Battery Operated Acrylic Bead Lights with Timer. Sliver Color Ultra Thin Wire. Indoor Outdoor Use. LED Lights and Acrylic balls are Pink. 7' Total Length with 12'' Clear Cable Lead between wire and battery, 4'' Distance between LED Bulbs. Requires 3 AA Batteries (Not Included). Battery box is dimensions: 2" x 2-3/4" x 3/4".Timer function: 6 hours on, 18th hours off. Lights are waterproof and used for both indoor and outdoor, but the battery box is not. The battery box can be used outdoors in a covered area, and can also be used in a non-covered area if it is used with a waterproof electrical box. LED String lights will not to be overheated after hours of use, they are completely safe to touch without risk of burns. They are safe for children over three years and for pets. LED is economical and environmentally friendly. These battery operated starry lights are so light in weight. You can easily build any shapes you like with these durable and flexible copper wires.