Our string of 100 star lights offers both serious style and a warm Christmas ambience. With a weatherproof battery box, having no power isn't a problem and you can dress trees indoor or out with ease. Each clear perspex star houses one warm white LED for a golden glow. 9.9m of lights; 1.5m lead 4 x AA batteries (sold separately) 6 hour time & 8 multi functions IP44 & weatherproof means that these lights are happy inside or out. The cylindrical battery box is equipped with a 1.5m lead wire and a handy hook for convenience. To illuminate, simply insert 4 x AA batteries. These lights have a handy 6 hour timer function and will illuminate for 6 hours at the same time every day before switching themselves off or switch to 'ON' for uninterrupted illumination.