With this Premier battery-operated fairy light set, you can create your own unique winter wonderland. Ideal for brightening and beautifying little places both inside and outside. Use them to decorate for significant occasions, such as Christmas or New Year's. These white LED lights have a timed feature and batteries that last for up to 30 days. These Timelights come on for 6 hours then off for 18 hours. With the multi-action feature, you may switch between eight different light shows.