Water resistant. Impact resistant. LED with faceted MaxVision. Modes: High (300 lumens, 1.5h runtime), Low (5 lumens, 75h runtime). Push button On/Off switch and 13 position variable-light output dial permits one-handed adjustment from 5 to 300 lumens. Fine mesh headband with Breathe-O-Prene pad that fits against the forehead. Aluminum battery end cap. Low profile headband adjustment clip. Detachable red filter included. Requires (1) CR123A battery (included). Boxed with hanging tab.