Water resistant. Impact resistant. Rechargeable. Modes: Max (1200 lumens, 3h runtime); Med (450 lumens, 6h runtime); Min (80 lumens, 10h runtime). 160m beam distance. Silva intelligent light and flow light. Battery level indicator. Reserve mode. Large on/off button. Includes: Headband, Battery holder backplate, USB cable, Cable side guide. Requires (1) Lithium battery . Boxed with hanging tab.