Our Red Hot LED Chili Pepper Necklace is perfect for Cinco de Mayo or your fiesta . Each light up Chili Pepper Necklace features 9 - 4" red plastic peppers that have LED lights built right in. Click the on/off button to choose from 3 different light settings. Each fiesta chili pepper light up necklace comes with 3 - AG13 batteries that are included and installed but are not easily replaced. US Patent Number: 10,064,461