With 900 lumen brightness at only 100 g, SwiftT RL is the most powerful of the Petzl compact headlamps. With REACTIVE LIGHTING(R) technology, a sensor analyzes the ambient light and automatically adjusts the brightness to user requirements. The headband is reflective for night visibility. Its two-part construction ensures excellent stability in dynamic and intense activities such as mountaineering, trail running and skiing. Swift RL is intuitive, with a single button for easy control of all lamp functions. It is rechargeable, with a five-level gauge for precise monitoring of the battery charge level. Features: - Ultra-bright and lightweight: 900 lumens at only 100g - Longer burn time, greater visual comfort and less manual operation with REACTIVE LIGHTING(R) mode: the light sensor automatically adjusts brightness and beam pattern, optimizing battery usage - Visual comfort thanks to the mixed beam providing high-performance lighting for outdoor activities: proximity vision, movement and distance vision - Comfortable fit, thanks to the ergonomic adjustable headband with two-part construction (Petzl patent) for optimal stability during dynamic activities - Reflective headband for night visibility - Lithium-Ion 2350 mAh battery, rechargeable via the type B micro USB port, with battery charge indicator - Ease of use, with a single button providing control of all functions: ON/OFF, lighting modes, brightness and locking - Choice of two lighting modes, selected with a long hold: REACTIVE LIGHTING(R) or STANDARD LIGHTING - LOCK function to avoid accidentally turning it on during transit or storage, or to lock lighting settings during your activity - Five-level gauge for precise monitoring of the battery charge level - Headlamp can be tilted upward to see ahead when worn around the neck. - Detachable, washable headband - Light output: 900 lumens (ANSI-FL1 STANDARD) - Weight: 100g - Technology: REACTIVE LIGHTING(R) or STANDARD LIGHTING - Beam pattern: mixed - Energy: 2350 mAh Lithium-Ion rechargeable battery (included) - Charging time: 6 h - Watertightness: IPX4 (weather-resistant) - Certification(s): CE