INOVA - XO LED Flashlight The INOVA XO is the first flashlight designed to collect, concentrate and deliver over 90% of the light generated by a high powered LED. This innovation in optical efficiency means a light beam, effective up to 200ft, that cuts the darkness like no other LED flashlight. * Up to 200ft effective range * Diameter: 0.98" * TIROS one piece lens (Total Internal Optical System) which delivers more lumens per watt at a greater distance than comparably sized lens systems * Patent-pending 3 mode switch cap with non-slip button ensure water resistance and protection against accidental activation whilst in pouch * Precision machined aircraft aluminium body with military grade Type III anodising - ensures the whole package is cruch proof, shock proof and water resistant * Mineral glass optical window * Teflon seals and O rings to provide ultra-tight seals * Length: 5.75" * 4.8 Watt LED