This set of 50 LED indoor string lights will add a subtle touch to any indoor room. The LED lights will illuminate any room with a warm white light. Each string of lights measures 5.2m. The clear wire allows the lights to be neatly disguised into any home decor. The batteries require 2 x AA batteries (Not included) which sit in the battery compartment used to operate the lights with an ON/OFF switch. The distance from the battery box to the first bulb is 17cm