These Wire String LED Christmas Tree Lights, are battery operated and are an effective way of lighting dark corners, where a power supply is not at hand. Over 4m in length with 40 micro LED lights, they pack quite a punch. We think they are perfect for lighting up Christmas trees such as the large or medium  Artificial Christmas Cedar trees. One set for a minimal or more Scandi look, two sets for impact or on larger trees. Alternatively run them along shelving or beams to Create a cost atmosphere this Christmas. 3 x AA Batteries required, not supplied.