Led lenser 8421 x21 high end power led flashlight torch black led lenser 9421 the b x21 2 b is an incredibly powerful flashlight that employs x lens technology and seven high power leds to produce a cluster of perfectly synchronised beams that can take the form of a tight circular close up light or a highly concentrated searchlight the torch is powerd by 4x d cells and produces an enormous 1600lm light output with a maximum range of 600m meaning that this torch is eminently suited for pr