Requires two AA batteries. 《Size》 ・Length to the first bulb: 1m ・Length of cord between light sources: 10cm ・Output: 0.1W ・Total length: 4.9m This item is new and unopened, but the outer box is dirty, so please refrain from purchasing if you are concerned about this. It will be wrapped in bubble wrap and shipped using the cheapest method. If you have any preferences regarding the shipping method, please comment before purchasing. If you have any other questions, please feel free to ask.