Built with the industry-leading quality, ergonomics, and fit, the CMR-202 Rail Master Laser adds a tactical light to Picatinny or Weaver rail-equipped pistols and rifles. The Rail Master's powerful LED light outputs bright 100-lumen white light. Three light settings: constant on, strobe, and momentary on. Instant tap-activation on/off switch with auto-shutoff after 5 minutes. Made of lightweight polymer material. Easy-to-install design. Operates for over four hours on a one CR2 lithium battery. Three-year manufacturer's warranty. Made in the USA.