Ledlenser - H14R.2 Rechargeable Headlamp, Black SPECS: 60-850 lumens, 70-300 meter range, and up to 40 hours of run time. Weighs 340 g and has adjustable head strap. Water resistance level IPX4. EFFORTLESS FOCUSING: The Advanced Focus System allows you to easily transition from a close-up wide beam to a long-distance focused beam using the one-handed Rapid Focus mechanism. SMART LIGHT TECHNOLOGY: Allows you to program your individual range of functions with different touch and switch combinations so you always have the perfect light mode at hand. ERGONOMIC DESIGN: The light unit, head straps and battery box have been redesigned with a specially formed battery case and more comfortable foam to conform to the natural curve of the user's head. This ensures maximum comfort during extended use. 5 YEAR WARRANTY: We take extraordinary measures so your Ledlenser will give you many years of dependable service. If the product has a defect in material or workmanship or fails to work under normal use, we'll repair or replace it.