With a power of 900 lumens for only 100 G, Swift® RL is the most powerful of the Petzl compact lamps. With Reactive Lighting® technology, a sensor assesses ambient brightness and automatically adapts the lighting power to the user needs. The headband is reflecting to be well seen at night. It is made in two parts to ensure excellent support during dynamic and engaged activities such as mountaineering, trail or skiing. Intuitive, SWIFT® RL has a unique button allowing easily access to all the lamp functions. Rechargeable, it has a five -level gauge that allows you to consult the battery level with precision.