These wire bauble string lights by brights gardman will look great at any time of year weather it be a summer barbecue or festive party the baubles are coated to prevent rusting and have a total length of 17m with 35cm from the battery box to the first light they have a built in memory timer which automatically switches them off after 6 hours and are powered by 3 aa batteries included suitable for indoor or outdoor user 4cm bauble coil lights for indoor or outdoor use battery opera