Introduce some nostalgic warm white hues into your home, with these festive 20 LED String Lights. These beautiful lights are battery operated, so you can put them anywhere you would like in your home. So if you are wanting to get into the festive cheer and transform your home into a winter wonderland or just wanting to add an extra bit of magic to your home, these lights are the perfect touch.. Indoor Use Only . 2 AA Transparent Battery Compartment . 0.08mm 2 Transparent Cable. 10cm Spacing. 30cm Lead Wire from plug to lights . Static only