LED Lenser - SEO7R Headlamp, Blue SPECS: 20-220 lumens, 40-130 meter range, and up to 20 hours of run time. Weighs 93 g and has adjustable head strap. Water resistance level IPX6. 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. OPTISENSE TECHNOLOGY: Your Ledlenser will automatically detect the brightness of its own reflection and adapt to the current light conditions, providing just the right level of brightness and preventing annoying glare. TEMPERATURE CONTROL: The intelligent and completely automatic temperature control prevents your Ledlenser from getting too hot no matter how much you use it, protecting you from burns and the LED from overheating. 5 YEAR WARRANTY: We take extraordinary measures so your Ledlenser will give you many years of dependable service. If it doesn't, well repair or replace it with one of equal or greater value. This warranty does not cover abuse, alteration, theft, loss, or unauthorized or unreasonable use of your product.