This set of 4 colour changing self-adhesive mood lights can be remote controlled to best suit your mood or help you get out of one! They can be stuck anywhere, but they dont have to be stuck on one colour! When you feel it\’s time to sleep, this product also includes a sleep timer feature! A pack of 4 lights for a good nights sleep! With multiple colour modes, controlled by remote Self adhesive and battery operated Has a sleep timer feature 12 x AAA batteries needed, 3 x AAA per light (Not included) Each light measures approx. 6 cm x 6 cm x 3 cm