The SEO7R has everything that you could wish for in a modern head torch. It boasts up to 500 lumens of light power with a 150 meter lighting range. Optisense technology provides a dimming function for automatic adjustment to the lighting conditions. It can also run on rechargeable or normal batteries, and has an automatic power-off function for when the energy source has been used up. Light Power:• Low Power 15 lumens, 30 meters for 50 hrs• Standard Power 300 lumens, 150 meters for 2 hrs• Boost Mode 500 lumens for 200 meters, a short burst of max power for when you need it most Endless Benefits:• Front Switch - a switch on the head of the torch so you can use one hand• Transportation Lock - prevents the light from being turned on inadvertently• Dimmable - seamless adjustment of the luminosity• Red Reading LED Light• Advanced Focus System - allows a seamless transition from homogeneous low beam to sharply focused high beam• Optisense Technology - automatically adapt to the surrounding light conditions• Rapid Focus - a single-hand mechanism that allows the light beam to be adjusted as fast as lightning• Smart Light Technology - allows individual ranges of functions to be programmed to different touch and switch combinations• Temperature Control System - protects you from burns and the LED from overheating• Dual Power Source - the rechargeable Ledlenser battery or 3 x AAA alkaline batteries can be used• IP Class - IP56, protection against water projected in powerful jets• Low Battery Warning - it warns you when the battery is low• Charge Indicator - it shows the current charge status of the battery Inside The Box:• 1 x Li-ion Battery Pack• USB charging cable Warranty:Standard warranty period of 2 years which can be extended by a further 5 years with online registration. An industry leading warranty that covers defects in manufacturing, up to 7 years. Be confident that we stand behind the craftsmanship and quality of our products.