Set of 100 bright white twinkling lights that can be used indoor or outdoor with 8 functions control and timer that are battery operated, so no messy cables. Ideal for adding a festive display to an outside tree, round a porch, doorway or window, or for safe use indoors on your Christmas tree. Weather proof battery box. Black cable colour. The timer operates on 6 hours on / 18 hours off. Requires 4 new AA batteries. (not included) Comes with a screwdriver to unscrew box to put your batteries in. Lights last up to 60 days on flashing functions and 45 days on static with a set of alkaline batteries. Cable length: 0.55m Lit length: 8m Total length: 8.55m Please note all sizes are approximate.