Led lenser 8701 f1 400lm xtreme power led flashlight torch led lenser 8701 the f1 torch is part of the b tactical amp xtreme b series and is capable of a high brightness 400lm beam using just one cr123a battery the torch is constructed from a ha iii anodised aluminium housing in accordance with military standards and has an ipx8 rating and is waterproof to 2 5m the torch has a robust body with interchangeable front rings steel or tactical and the tactical ring can be used to break