LED Warm White Firework Lights, 10ctIndoor Outdoor use Requires 3 AA Batteries, not included 6" between bulbs On Off and Timer Function: 8rs on 16hrs off 10ct LED Warm White Firework Lights is a strand of pom pom style lights on a black cord. Lights require 3 AA Batteries (not included) to operate and casts a warm glow when in use. Lights have six inches of space between bulbs and comes with a timer that runs 8 hours on and 16 hours off and a On Off function. Measures 4. 5 feet.