Set of Four Assorted 4" LED hanging snowflakes with 24/6 timer, slow icy white/blue transitioning LED, 4 Available Designs, 3 AAA batteries required (not included). (Each snowflake is individual, and each has its own suction cup battery case and timer.) Suction cup on the battery compartment allows you to hang these snowflakes from any window. They'll glow on one set of batteries for almost a month; turning on and off by themselves at the time you designate.