Neon Nightlife Tinted Single Lens Tron Style Light Up Glasses Composite frame Composite lens non-polarized Lens width: 137 millimeters Perfect for Concerts, Rave Festivals, Bars, Clubs, Electric glow run, LED parties, Halloween, Costume Parties, Mardi Gras, Carnivals, Gifts, and more Light controller takes 2 AA batteries and has 3 settings: Full On, Slow Blink and Fast Blink Battery pack can clip to anywhere from the waist and up, it can easily be clipped to your belt or placed in your pants pocket Glasses lights will remain bright for up to 24 hours per set of batteries We offer a 90 day warranty on the product. If for any reason the glasses break under normal usage, we will replace it within 90 days. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!