LaserMax Spartan, Red Laser, Fits Picatinny, Black Finish, Adjustable Fit, with Battery SPS-R Featuring the latest LaserMax mounting technology" Spartan(TM) installs in the preferred rail location for each operator's personal comfort and ease of use. Once anchored" Spartan maintains precision accuracy over extensive live fire. Revolutionary in design" Spartan is the most versatile and feature-rich rail mounted laser sight ever conceived. Boasting 5+ hours of continuous use with a single 1/3N battery (provided)" Spartan features a preservation mode that automatically deactivates the laser after a ten minute period of inactivity" safeguarding against unintentional battery drain. Dual electronic touch pads enable both left and right-handed shooters to activate the laser with ease. User programmable for a steady or high-visibility pulsed beam" Spartan is fully adjustable for windage and elevation" ensuring the most precise targeting over all shooting distances.