Rechargeable 2600 mAh Lithium-Ion battery: - universal charging with USB port - battery charge indicator Lumen range 7-750 lumens Longer burn time, visual comfort and minimal handling thanks to REACTIVE LIGHTING technology: - the light sensor automatically adjusts brightness and beam pattern, optimising battery use - depending on the chosen burn time (6h30 or 12 h), brightness automatically self-regulates in two modes: MAX POWER and MAX AUTONOMY Weight 185 grams Connects via Bluetooth to the MyPetzl Light app IP X4 Water resistant 750 lumens