The LED Lenser SEO7R rechargeable Head Lamp featuring Opti-Sense™Technology is truly stunning. Cutting-edge technology and a contemporary fresh design combine effortlessly in this high-end German engineered Head Lamp that raises the bar in performance hands-freelighting.The SEO7R incorporates one CREE® Power LED premiumlight chip that delivers an impressive 220 lumens from its rechargeable Li-ion battery pack (included). The micro-chip controlled Smart Light Technology™ enables two energy usage modes plus Power, Dim (100%-15%) orSignal light options to be selected and the patented Advanced Focus System™ optics provide the option of either flood beam (near illumination) or a sharply focused spot beam (distance illumination).The clever Opti-Sense™ Technology senses the amount of light required and automatically adjusts the light output. This function can be de-activated if desired.For directional lighting the lamp head swivels within an angle of 90 degrees and a very handy transport lock isintegrated to prevent the Head Lamp accidentally switching on,unnecessarily draining the batteries. The adjustable, anti-allergic,washable and replaceable headband combines with the precisely weighted lamp to add a level of comfort that is the icing on the cake of this exceptional lighting instrument by LED Lenser.Features:1 x High End Power White LED Light.1 x Glare-free High End Red LED Light to protect night vision.Rechargeable Head Lamp (Mains / USB Charger Included).Smart Light Technology (SLT) – Power, Dim 100% – 15%, Signal, OptiSense,.Constant Current Mode, Energy Saving Mode.Advanced Focus System (AFS) – Flood Beam to Sharply Focused Spot Beam.Opti-Sense Active Light Measurement Technology – automatically adjusts light output to suit surroundings thus preserving battery life.Directional Lighting – Lamp Head swivels within an angle of 90 degrees.Washable, replaceable, anti-allergic headband designed for comfort.Transport Lock – prevents light accidentally switching on.Lightweight – ideal for extended duration use.Casing glows when in use – see and be seen.IPX6 – superior dust and water protection