Product Features Our Pre Lit 28cm Green Boxwood Buxus Ball is Fully Assembled making them Maintenance Free. Ball measures 28cm in diameter and supplied with a galvanised triple hanging chain measuring 38cm. UV Fade Protected for long term outdoor use. Each ball comes with 30 Bright White LED attached. All you will need to do is insert 3 AA batteries (Not Supplied). The LED Lights are fully waterproof (including the battery box) and have 8 Multi functions with Timer (6 hours on, 18 hours off).