The Petzl Swift RL Headlamp is a compact headlamp for active adventures that require powerful lighting. Get outdoors, whether it's early morning or late into the night, the REACTIVE LIGHTING technology provides up to 900 lumens, with adjustable brightness to tailor your preference and need. The headband provides a comfortable, stay-put fit whether you're running, hiking, skiing or just fixing something under the sink on your off weekend. Rechargeable so you don't have to keep changing the batteries.