Snaplite™ is designed to keep you and your children safe outdoors by making you highly visible even when the sun starts to set. The patented snap-on design quickly and easily attaches the safety light to strollers, infant carriers, ride-on toys, bikes or trailers at any position with no tools required. The smooth strap ensures your expensive gear remains scratch-free. It's the perfect choice for protecting your family during evening and outdoor activities. Its signal is visible for up to one mile. Weatherproof. BPA and phthalate free. Fits most strollers and infant car seat. Requires two AA batteries (included). Limited three-year warranty.