"Premier Supabright LED festive tree lights WITH Timer Function (8 hours on, 16 hours off - Turn them on once and the lights will come on at the same time every day)Lengths are the lit length from first bulb to the last bulb - 8cm spacing between each bulbMulti function controller lets you choose between 8 different flashing functions including static ""on""All sizes have 8m lead wire from the plug to the first LED, Suitable for both Indoor and Outdoor Use."