This set of 400 LED string lights are set out on a green cable which helps to blend them well into your Christmas tree. With their multi action feature and timer setting, the lights can be set between 8 of its lighting functions including a static setting, which will light up automatically for 8 hours and switch off for 18 hours at the same time each day. So you won't need to worry about remembering to turn them off every time! The lights have a huge 40M lit length range and a 0.3M lead cable from the battery box to the first light. Suitable for both indoor and outdoor use, these eco friendly LED lights are the perfect addition to lighting up your tree or garden during this festive season. Saving you 90% on energy costs too!