One button easily turns the hat light on & off, as well as controls 2 flashing modes which range from flashing to all on.2 Mode: Mode SLOW STROBE, All lights flash slowly in this high energy mode. And then SPEEDY STROBE, All lights simultaneously flash furiously fast in this high energy mode. Keep repeating the slow and speedy strobe. Pair this merry accessory with your ugliest Christmas sweater for a holly jolly contest-winning look. This led hat is a fun photo booth prop. Perfect for Christmas Xmas Party Favors, Ugly Sweater Party, Halloween Party Favors, Holiday Family Celebration Party, Christmas Dress-up Accessories, Christmas Light-up Toys, Christmas Holiday Decorations, even a fun novelty gag gift and a great additional intersperse to all occasions. Batteries are included and replaceable. Normally, the batteries can be used for more than 36 hours.
