Viridian Weapon Technologies introduces Reactor R5 Gen 2 Green Laser Sights that triple battery life of previous models and feature many other upgrades. Users now receive over three hours of laser use in constant mode and up to six hours in pulse mode. The strongest green laser on the market is powered by two 1/3n batteries and comes standard with an INSTANT-ON ambidextrous IWB holster with automatic laser activation upon draw. No buttons. No squeezing. No doubt. Available for most leading and recently introduced compact pistolsÑincluding the latest from Ruger, Springfield Armory, Taurus and more..