This rechargeable eyewear shines up to 13 hours on a single charge (charging cable included). For added control; the light operates in high or low mode while keeping your hands free and increasing on-the-job safety. Designed for use in the toughest work environments; these ANSI impact-tested safety glasses are built to lastfeaturing premium anti-scratch and anti-fog lenses; including a set of interchangeable yellow lenses to enhance contrast and depth perception in low-light conditions. Padding on the nose and temple pieces ensures comfort for long days of work and a snug; secure fit so that the glasses stay on even during high-intensity; active work. The included soft pouch provides an easy solution for protecting the glasses and lenses when not in use.