Light source without an accumulator: the latest generation of pocket torches creates their own energy and need neither batteries nor accumulator. Only 10 seconds of movement creates enough electricity for 10 minutes of light. The robust polycarbonate casing is waterproof to IPX4. Capacitor power: 1.5 F LUX. Power: fully charged ca. 7000 Lux measured 5 mm in front of lens. Weight: ca. 143 g.