These Bare wire light string LEDs are a decoration must for any festive display. An ideal addition in any home for all festivals of light. Product Specifications 39.9m length 400 LED bare wire lights, 3m lead length Mains operated Has an easy to use timer These chic lights will add warmth to your house during winter & beyond Use all year round For indoor & outdoor use This set operates a 32V DC 4.8W via a 220-240V AC safety isolating transformer These lights come with the Noma easy timer, which is set by selecting one of 8 functions when pressing the controller button. Lights can be turned on manually by holding the button for three seconds. When timed, the set will stay lit for the same 8 hours every day or until reset. To reset, simply press the button for 3 seconds or until the green light goes off. Setting a timer for lights is good for home security & for energy bills.