This versatile LED badge holder necklace with a lanyard is ideal for various activities, providing a handy light source for nighttime walks, cruises, evening parties, and outdoor sports. It serves as both a practical ID card and keychain holder, suitable for day and night use. Perfect for parties, ID badges, keychains, electronic passes, USB drives, tradeshows, conventions, concerts, and more. Stay visible and organized with this multipurpose accessory.