Bring a bit of the devil out in your customers this Halloween season by handing out our light up crystal devil horns! Each comfortable black headband measures 4"H x 6"W and features bright red LED lights through the clear crystal plastic horns. Simply slide the switch up to have the lights activated. Three replaceable AG13 batteries are included and installed. A polybag and header are also included, which are perfect for customization - add a company name or logo to create a memorable and devilishly-good giveaway!