Water resistant. Impact resistant. Rechargeable. Modes: Max (1200 lumens, 4h runtime); Med (450 lumens, 12h runtime); Min (80 lumens, 40h runtime). 160m beam distance. Silva intelligent light and flow light. Battery level indicator. Reserve mode. Large on/off button. Includes: Headband, Headband back plate, Bike bracket, Velcro strap, Extension cord (textile strap), USB cable, Top band, Cable guide back, Cable guide side, (2) 3M stickers. Requires (1) Lithium battery . Boxed with hanging tab.