These lights have been designed to be super low power to allow them to be powered from only four AA batteries. Position your Christmas tree where you want it.... don't be tied to a mains socket! Battery power! On/Off timer with multifunction controller - There is a button on the battery pack which switched the lights on. The lights will remain on for eight hours and switch on again the following day at the same time - MAGIC! Perfect for decorating an area of the house where there is no mains socket. Or fort decorating your patio/BBQ area. These lights can be used for so many occasions, from Christmas to weddings. Battery powered for maximum versatility. If you want to decorate your trees or shrubs outside which are too far from a mains supply then these are the lights for you. 14m in length and plenty of LEDs to cover larger bushes and shrubs. Check our other listing for the same lights with transparent wire.