EXTRA LUMINOUS: 30 Super Bright Blue Color LED Lights on 8.5 feet ultra thin silver color wire for indoor and outdoor use. There are 4 inches distance between LED bulbs and 12 inches clear cable between the wire and the battery box. TOTAL STRING LENGTH IS OVER 9.5 FEET. ENERGY EFFICIENT: Long life and low energy consumption LED bulbs. Small and clear batteries box is easy to hide requires 3 AA batteries (Not Included). Over 48 hours non stop operating time and over 14 days on TIMER" mode ( PLEASE SEE TIMER OPERATING INSTRUCTIONS BELOW IN PRODUCT DESCRIPTION SECTION). But much longer operating time when used with breaks! STURDY AND BENDABLE: Great for decorative interior or exterior lighting! Make any occasion or space extra special with these bright starry lights or fairy lights! The lights can be easily shaped and bent around patios， furniture， flowers， vases， centerpieces， mason jars， curtains and costumes. VERSATILE AND SUBMERSIBLE: Lights are totally submersible but NOT BATTERY BOX. They are great for birthdays， weddings， dinner party， girl's night in， bedrooms， garden and more! These lights create amazing atmosphere during Easter and Christmas holidays but can be safely used during camping or bicycle rides. Other uses are corhole boards， boats and fishing.