The BC30 is a compact powerpack that sits comfortably on your bicycle handlebar. This V2 also includes a wireless remote button that you can place close to your hand. Note! Batteries are sold separately. We recommend two rechargeable 18650 batteries. The light can also be used with four CR123A cells. - Fits 25.435.0 mm handlebars - 30º adjustability from side to side, 360º adjustability vertically - Power settings reach from 50 lumen to 2200 lumen, with the battery time going from 50 to 2,3 hours, respectively - What's in the box: - BC30 V2.0 light - Quick lock mount fo the handle bar - Remote control with battery - Two bushing plates (one thin, one thicker) - Spare O-ring - User manual