Can be used as Headlamp or Bicycie Light Model of LED: XM-L T6 LED Max Output£º2000 lumens 100% Waterproof design Material:Aluminum、 3 switch Mode: Strong Brightness / Normal Brightness / Flashing Low Power Warning:Low Power Red light Warning 100v-240v Battery Charger ( LED indication for Power On / Charging / Full charge ) Model of Battery required: 1 x 8.4v 6400mAh Battery Pack LED Life Span: around 50、000 hours Color : Gray with Red GrayDimension : around 43mm Weight : 118g Package Content 1 x 2000lm XM-L T6 LED Light unit ( Can be used as Headlamp or Bicycie Light ) 1 x Adjustable headband 2 x Rubber ring for installation 1 x 8.4v 6400mAh Battery Pack 1 x AC charger (100-240V)to suit your Country