Light up the devil in you for your Halloween costume with our 10" LED Devil Horns Headband. Each light-up Devil Horns Headband is powered by 3 replaceable AG13 batteries, included and installed. Our LED Devil Horns Headband measure 10" high x 7" wide x 1.5" thick. With the push of a button, you can change the bright red LED's from fast flash to slow flash to steady on. Let everyone know that you're not the angel they think you are as you give these away as a party favor, a loot prize, or to complete your Halloween outfit. Each is powered by 3 replaceable AG13 batteries, included and installed.