POWERFUL LIGHTING: Delivers up to 625 lumens (new model) of brightness with a multi-beam design (wide and mixed) ideal for dynamic activities like running, hiking, and mountaineering. RECHARGEABLE & HYBRID: Comes with the CORE rechargeable battery (1250 mAh) rechargeable via USB; also works with 3 standard AAA batteries thanks to the HYBRID CONCEPT design. RED LIGHTING: Continuous red light preserves night vision and prevents blinding others; strobe mode signals your location in emergency situations (visible up to 700m). EASY TO USE: Single button allows for quick and easy selection of brightness or light color; LOCK function prevents the lamp from turning on during transit or storage. NIGHT VISIBILITY: Features a phosphorescent reflector that helps you locate the headlamp in the dark, and a reflective headband for visibility.