Petzl Swift RL 1100 Lumens HeadtorchCompact, ultra powerful, and rechargeable headlamp featuring REACTIVE LIGHTING technology. 1100 lumens. Casting 1100 lumens at a weight of only 100 g, SWIFT RL is the ultimate multi sport headlamp for all your outdoor activities. Using REACTIVE LIGHTING technology, a sensor analyzes the ambient light and automatically adjusts brightness to your needs. The headband is reflective to remain visible at night. Its split construction gives you excellent